@article{UBHD-67917530,
  author={Aiad, Abdel K. and Appenzeller, Immo and Bertout, Claude and Stahl, Otmar and Wolf, Bernhard},
  title={Coordinated spectroscopic observations of YY Orionis stars},
  year={1984},
  pages={67-78},
  language={eng},
  issn={1432-0746},
  volume={130},
  number={1},
  note={Gesehen am 18.12.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67916061,
  author={Aiad, Abdel K.},
  editor={Appenzeller, Immo and Marenbach, Gerd and Wolf, Bernhard},
  title={On the absorption spectrum of RW Aurigae},
  year={1983},
  pages={656-661},
  language={eng},
  issn={1538-3873},
  volume={95},
  journal={Publications of the Astronomical Society of the Pacific},
}
@article{UBHD-67921497,
  author={Appenzeller, Immo and Klare, Gerhard and Stahl, Otmar and Wolf, Bernhard},
  title={CASPEC and IUE},
  subtitle={a perfect match},
  year={1984},
  pages={28-31},
  language={eng},
  volume={38},
  note={Gesehen am 08.01.2016},
  journal={The ESO messenger},
}
@conference{UBHD-67921504,
  author={Appenzeller, Immo and Wolf, Bernhard and Stahl, Otmar},
  title={An extended nebulosity surrounding the S Dor variable R 127},
  year={1987},
  pages={241-244},
  language={eng},
  isbn={90-277-2522-5 and 978-90-277-2522-6},
}
@article{UBHD-67920837,
  author={Appenzeller, Immo and Stahl, Otmar and Wolf, Bernhard},
  title={The Hubble-Sandage variable HDE 269006},
  subtitle={a hot supergiant with a cool envelope 1981},
  year={1981},
  pages={25},
  language={eng},
  volume={2},
  note={Gesehen am 07.01.2016},
  journal={The ESO messenger},
}
@article{UBHD-67920822,
  author={Appenzeller, Immo and M{\"o}llenhoff, Claus and Mundt, Reinhard and Wolf, Bernhard},
  title={The image tube spectrograph of the Landessternwarte Heidelberg},
  year={1978},
  pages={157-160},
  language={eng},
  volume={43},
  journal={Mitteilungen der Astronomischen Gesellschaft},
}
@article{UBHD-67916027,
  author={Appenzeller, Immo and Wolf, Bernhard},
  title={IUE observations of the extreme B1 supergiant Zeta-1 SCO},
  year={1979},
  pages={51-60},
  language={eng},
  issn={1286-4846},
  volume={38},
  journal={Astronomy & astrophysics},
}
@conference{UBHD-67918743,
  author={Appenzeller, Immo and Wolf, Bernhard},
  title={New observational results on S Dor variables},
  year={1982},
  pages={131},
  language={eng},
}
@article{UBHD-67916022,
  author={Appenzeller, Immo and Wolf, Bernhard},
  title={The satellite-UV spectrum of S CrA},
  year={1979},
  pages={164-169},
  language={eng},
  issn={1432-0746},
  volume={75},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67915463,
  author={Appenzeller, Immo and Wolf, Bernhard},
  title={S CrA},
  subtitle={a bright southern YY Orionis star},
  year={1977},
  pages={713-722},
  language={eng},
  issn={1432-0746},
  volume={54},
  number={3},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67916029,
  author={Appenzeller, Immo and Krautter, Joachim and Wolf, Bernhard},
  title={Spectroscopic evidence of strong mass flow variations in the envelope of the T Tauri star DR Tau},
  year={1980},
  pages={113-120},
  language={eng},
  issn={1432-0746},
  volume={86},
  number={1/2},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67915469,
  author={Appenzeller, Immo and Mundt, Reinhard and Wolf, Bernhard},
  title={The spectrum of the bright YY Orionis star CoD -35^0 10525},
  year={1978},
  pages={289},
  language={eng},
  issn={0004-6361},
  volume={63},
  journal={Astronomy & astrophysics},
}
@article{UBHD-67916023,
  author={Appenzeller, Immo and Wolf, Bernhard},
  title={The UV resonance lines of Zeta-1 SCO},
  year={1979},
  pages={15-20},
  language={eng},
  issn={1432-0746},
  volume={78},
  number={1},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67916032,
  author={Appenzeller, Immo and Krautter, Joachim and Mundt, Reinhard and Wolf, Bernhard},
  title={UV spectrograms of T Tauri stars},
  year={1980},
  pages={184-191},
  language={eng},
  issn={1432-0746},
  volume={90},
  number={1/2},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67916053,
  author={Appenzeller, Immo and Wolf, Bernhard},
  title={Yy-Orionis line profiles in the spectrum of Rw-Aurigae},
  year={1982},
  pages={313-317},
  language={eng},
  issn={1432-0746},
  volume={105},
  note={Gesehen am 18.12.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68069509,
  author={Damineli, Augusto and Kaufer, Andreas and Wolf, Bernhard and Stahl, Otmar},
  title={[Eta] Carinae},
  subtitle={binarity confirmed =},
  year={2000},
  pages={4 S.},
  language={eng},
  issn={2041-8213},
  volume={528(2000},
  number={2) Seite L101-L104},
  note={Gesehen am 05.01.2017},
  journal={The astrophysical journal},
  doi={10.1086/312441},
}
@conference{UBHD-68069930,
  author={Damineli, Augusto and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={The historical evidence for the 5. 52-Year cycle},
  year={1999},
  pages={221-226},
  language={eng},
  isbn={1-58381-003-X and 978-1-58381-003-3},
}
@article{UBHD-68069933,
  author={Damineli, Augusto and Stahl, Otmar and Kaufer, Andreas and Wolf, Bernhard},
  title={Long-term spectroscopy of [eta] Carinae - I. The high and low excitation phases},
  year={1998},
  pages={299-316},
  language={eng},
  issn={1286-4846},
  volume={133},
  number={3},
  note={Gesehen am 09.06.2017},
  journal={Astronomy & astrophysics},
  doi={10.1051/aas:1998461},
}
@article{UBHD-67894115,
  author={G{\"a}ng, Thomas and Wolf, Bernhard and Stahl, Otmar and Kaufer, Andreas and Mandel, Holger and Szeifert, Thomas},
  title={Analysis of the line variations in the wind of HD 160529},
  year={1995},
  pages={1311},
  language={eng},
  issn={0002-7537},
  volume={27},
  number={4},
  journal={Bulletin of the American Astronomical Society},
}
@conference{UBHD-68069952,
  author={G{\"a}ng, Thomas and Leitherer, Claus and Wolf, Bernhard and Stahl, Otmar},
  title={Atmospheric conditions in LBVs},
  subtitle={first results from a high-resolution optical survey},
  year={1997},
  pages={110-112},
  language={eng},
  isbn={1-886733-40-6 and 978-1-886733-40-4},
}
@article{UBHD-67884362,
  author={G{\"a}ng, Thomas and Gummersbach, Christoph and Kaufer, Andreas and Mandel, Holger and Stahl, Otmar and Szeifert, Thomas and Wolf, Bernhard},
  title={Long-term spectroscopic monitoring of HD 160529},
  year={1994},
  pages={1446},
  language={eng},
  issn={0002-7537},
  volume={26},
  journal={Bulletin of the American Astronomical Society},
}
@conference{UBHD-67883740,
  author={G{\"a}ng, Thomas and Gummersbach, Christoph and Kaufer, Andreas and Mandel, Holger and Stahl, Otmar and Szeifert, Thomas and Wolf, Bernhard},
  title={Spectral variations of HD 160529},
  year={1993},
  pages={134},
  language={eng},
}
@conference{UBHD-67884336,
  author={Kaufer, Andreas and Mandel, Holger and Stahl, Otmar and Wolf, Bernhard and Szeifert, Thomas and G{\"a}ng, Thomas and Gummersbach, Christoph},
  title={High resolution spectroscopy at the ESO 50 cm telescope},
  subtitle={spectroscopic monitoring of luminous hot stars},
  year={1994},
  pages={532},
  language={eng},
  isbn={0-7923-3045-5 and 0-7923-3044-7 and 978-0-7923-3044-8 and 978-0-7923-3045-5},
}
@article{UBHD-67898423,
  author={Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard and G{\"a}ng, Thomas and Gummersbach, Christoph and Mandel, Holger and Szeifert, Thomas},
  title={Long-term spectroscopic monitoring of BA-type supergiants},
  subtitle={I. Halpha_ line-profile variability},
  year={1996},
  pages={887-901},
  language={eng},
  issn={1432-0746},
  volume={305},
  note={Gesehen am 05.11.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67898425,
  author={Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard and G{\"a}ng, Thomas and Gummersbach, Christoph and Mandel, Holger and Peitz, Jochen and Rivinius, Thomas J. and Szeifert, Thomas},
  title={Long-term spectroscopic monitoring of BA-type supergiants},
  subtitle={II. High-velocity absorptions in βOri and HD96919},
  year={1996},
  pages={599-608},
  language={eng},
  issn={1432-0746},
  volume={314},
  note={Gesehen am 05.11.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67898426,
  author={Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard and G{\"a}ng, Thomas and Gummersbach, Christoph and Mandel, Holger and Peitz, Jochen and Rivinius, Thomas J. and Szeifert, Thomas},
  title={Long-term spectroscopic monitoring of BA-type supergiants},
  subtitle={III. Variability of photospheric lines},
  year={1997},
  pages={273-286},
  language={eng},
  issn={1432-0746},
  volume={320},
  note={Gesehen am 05.11.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68069492,
  author={Korn, Andreas Johannes and Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard},
  title={Pristine CNO abundances from Magellanic Cloud B stars},
  subtitle={I. the LMC cluster NGC 2004 with UVES*},
  year={2002},
  pages={143-151},
  language={eng},
  issn={1432-0746},
  volume={385},
  number={1},
  note={Gesehen am 05.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20020116},
}
@article{UBHD-67883099,
  author={Leitherer, Claus and Krautter, Joachim and Mandel, Holger and Stahl, Otmar and Wolf, Bernhard},
  title={HD 167971},
  subtitle={a new o-type contact binary},
  year={1986},
  pages={298},
  language={eng},
  issn={0172-5483 and 0374-1958},
  volume={67},
  journal={Mitteilungen der Astronomischen Gesellschaft},
}
@article{UBHD-67917541,
  author={Leitherer, Claus and Appenzeller, Immo and Klare, Gerhard and Stahl, Otmar and Wolf, Bernhard},
  title={The massive wind of S Dor},
  year={1985},
  pages={168-178},
  language={eng},
  issn={1432-0746},
  volume={153},
  number={1},
  note={Gesehen am 18.12.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67883109,
  author={Leitherer, Claus and Krautter, Joachim and Mandel, Holger and Stahl, Otmar and Wolf, Bernhard},
  title={Photometry and spectroscopy of the O-type variable HD 167971},
  year={1987},
  pages={121-130},
  language={eng},
  issn={0004-6361},
  volume={185},
  number={1/2},
  note={Gesehen am 09.10.2015},
  journal={Astronomy & astrophysics},
}
@article{UBHD-68069502,
  author={Prinja, Raman K. and Stahl, Otmar and Kaufer, Andreas and Wolf, Bernhard},
  title={Extended optical spectroscopic monitoring of wind structure in HD 152408*},
  year={2001},
  pages={891-909},
  language={eng},
  issn={1432-0746},
  volume={367},
  number={3},
  note={Gesehen am 05.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20000532},
}
@article{UBHD-68069507,
  author={Reiners, Ansgar and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas and Rivinius, Thomas J.},
  title={Modeling line profile variations of sigma Ori E and theta 1 Ori C},
  year={2000},
  pages={585-592},
  language={eng},
  issn={1432-0746},
  volume={363},
  note={Gesehen am 05.01.2017},
  journal={Astronomy and astrophysics},
}
@conference{UBHD-68069504,
  author={Rivinius, Thomas J. and Wolf, Bernhard and Stahl, Otmar and Kaufer, Andreas},
  title={Emission line variability of Eta Carinae},
  year={2001},
  pages={29-40},
  language={eng},
  isbn={1-58381-080-3 and 978-1-58381-080-4},
}
@article{UBHD-68069938,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={MU Cen},
  subtitle={the ticking and ringing of a star},
  year={1998},
  pages={15-18},
  language={eng},
  issn={0296-3140},
  volume={33},
  note={Gesehen am 09.01.2017},
  journal={Be Star newsletter},
}
@article{UBHD-68069949,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={Multiperiodic line-profile variability and a tentative ephemeris for line emission outbursts of the Be star [mu] Cen},
  year={1997},
  pages={189},
  language={eng},
  volume={13},
  note={Gesehen am 09.01.2017},
  journal={Abstract series},
}
@conference{UBHD-68069944,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={Multiperiodic line-profile cariability and a tentative ephemeris for line-emission outbursts of the Be Star MU CEN},
  year={1998},
  pages={343-347},
  language={eng},
  isbn={1-886733-55-4 and 978-1-886733-55-8},
}
@article{UBHD-68069955,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={Short- and medium term variability of emission lines in selected southern Be stars},
  year={1997},
  pages={36},
  language={eng},
  volume={13},
  note={Gesehen am 23.05.2017},
  journal={Abstract series},
}
@article{UBHD-68069936,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={Stellar and circumstellar activity of the Be star [mu] Centauri},
  subtitle={II. Multiperiodic low-order line-profile variability},
  year={1998},
  pages={177-190},
  language={eng},
  issn={1432-0746},
  volume={336},
  note={Gesehen am 09.01.2017},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68069939,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={Stellar and circumstellar activity of the Be star MU Centauri},
  subtitle={I. Line emission outbursts},
  year={1998},
  pages={125-140},
  language={eng},
  issn={1432-0746},
  volume={333},
  note={Gesehen am 09.01.2017},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68069500,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={Stellar and circumstellar activity of the Be star [mu] Centauri},
  subtitle={III. Multiline nonradial pulsation modeling},
  year={2001},
  pages={1058-1077},
  language={eng},
  issn={1432-0746},
  volume={369},
  number={3},
  note={Gesehen am 05.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20010185},
}
@article{UBHD-68405662,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas and Gummersbach, Christoph and Mandel, Holger and Peitz, Jochen and Schweickhardt, J{\"o}rg and Szeifert, Thomas and Tubbesing, Sascha},
  title={Stellar and circumstellar variability of the Be star mu Cen IV},
  year={2001},
  pages={50 S.},
  language={eng},
  volume={7},
  number={5},
  journal={The journal of astronomical data},
}
@article{UBHD-67898431,
  author={Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas and G{\"a}ng, Thomas and Gummersbach, Christoph and Mandel, Holger and Peitz, Jochen and Szeifert, Thomas},
  title={Variations of the stellar wind in early-B hypergiants},
  year={1997},
  pages={819-834},
  language={eng},
  issn={1432-0746},
  volume={318},
  note={Gesehen am 05.11.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68043321,
  author={Schmid, Hans Martin and Kaufer, Andreas and Camenzind, Max and Rivinius, Thomas J. and Stahl, Otmar and Szeifert, Thomas and Tubbesing, Sascha and Wolf, Bernhard},
  title={Spectroscopic monitoring of the jet in the symbiotic star MWC 560},
  subtitle={I. Spectroscopic properties, general outflow structure and system parameters},
  year={2001},
  pages={206-240},
  language={eng},
  issn={1432-0746},
  volume={377},
  number={1},
  note={Gesehen am 27.10.2016},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20011073},
}
@article{UBHD-67898443,
  author={Schmutz, Werner and Schweickhardt, J{\"o}rg and Stahl, Otmar and Wolf, Bernhard and G{\"a}ng, Thomas and Kaufer, Andreas and Mandel, Holger and Peitz, Jochen and Rivinius, Thomas J.},
  title={The orbital motion of gamma^2 Velorum},
  year={1997},
  pages={219-228},
  language={eng},
  issn={1432-0746},
  volume={328},
  note={Gesehen am 05.11.2015},
  journal={Astronomy and astrophysics},
}
@conference{UBHD-68069927,
  author={Schweickhardt, J{\"o}rg and Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard},
  title={Long term spectroscopy of Wolf-Rayet binaries},
  year={1999},
  pages={98-100},
  language={eng},
  isbn={1-58381-004-8 and 978-1-58381-004-0},
  note={Laut Vorlage Otto Stahl, richtiger Vorname Otmar},
}
@article{UBHD-68069515,
  author={Schweickhardt, J{\"o}rg and Stahl, Otmar and Szeifert, Thomas and Wolf, Bernhard},
  title={Revised mass determination of the super massive Wolf-Rayet star WR 22*},
  year={1999},
  pages={127-136},
  language={eng},
  issn={1432-0746},
  volume={347},
  note={Gesehen am 05.01.2017},
  journal={Astronomy and astrophysics},
}
@incollection{UBHD-68069511,
  author={Schweickhardt, J{\"o}rg and Wolf, Bernhard and Schmid, Hans Martin and Kaufer, Andreas and Stahl, Otmar and Szeifert, Thomas and Tubbesing, Sascha},
  title={Spectroscopic monitoring of the LBV-like WR star HD 5980 in the SMC with FEROS},
  year={2000},
  pages={113-115},
  language={eng},
  isbn={1-58381-031-5 and 978-1-58381-031-6},
  booktitle={Thermal and ionization aspects of flows from hot stars},
  editor={Lamers, Henny J. G. L. M. and Sapar, Arved},
}
@article{UBHD-67883730,
  author={Stahl, Otmar and Mandel, Holger and Szeifert, Thomas and Wolf, Bernhard},
  title={Forbidden emission lines in the spectrum of P Cygni},
  year={1991},
  pages={467-469},
  language={eng},
  issn={0004-6361},
  volume={244},
  number={2},
  journal={Astronomy & astrophysics},
}
@conference{UBHD-67883726,
  author={Stahl, Otmar and Mandel, Holger and Szeifert, Thomas and Wolf, Bernhard},
  title={High-dispersion spectroscopic monitoring of P Cygni stars},
  year={1990},
  pages={63},
  language={eng},
}
@article{UBHD-67883737,
  author={Stahl, Otmar and Mandel, Holger and Wolf, Bernhard and G{\"a}ng, Thomas and Kaufer, Andreas and Szeifert, Thomas},
  title={Long-term spectroscopic monitoring of P Cygni},
  subtitle={I. Spectral atlas of P Cygni},
  year={1993},
  pages={167-177},
  language={eng},
  issn={0365-0138},
  volume={99},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67884338,
  author={Stahl, Otmar and Wolf, Bernhard and G{\"a}ng, Thomas and Kaufer, Andreas and Mandel, Holger and Szeifert, Thomas},
  title={Long-term spectroscopic monitoring of P Cygni},
  subtitle={II. Spectroscopic variations of P Cygni during 1990-1992},
  year={1994},
  pages={1-8},
  language={eng},
  issn={0365-0138},
  volume={107},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68069497,
  author={Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas and Rivinius, Thomas J. and Szeifert, Thomas},
  title={Long-term spectroscopic monitoring of the Luminous Blue Variable AG Carinae*},
  year={2001},
  pages={54-69},
  language={eng},
  issn={1432-0746},
  volume={375},
  number={1},
  note={Gesehen am 05.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20010824},
}
@article{UBHD-68069048,
  author={Stahl, Otmar and Kaufer, Andreas and Rivinius, Thomas J. and Szeifert, Thomas and Wolf, Bernhard},
  title={Long-term spectroscopic monitoring of the Luminous Blue Variable HD 160529},
  year={2003},
  pages={279-291},
  language={eng},
  issn={1432-0746},
  volume={400},
  number={1},
  note={Gesehen am 04.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20021908},
}
@article{UBHD-68405661,
  author={Stahl, Otmar and Kaufer, Andreas and Wolf, Bernhard and G{\"a}ng, Thomas and Gummersbach, Christoph and Mandel, Holger and Rivinius, Thomas J. and Szeifert, Thomas},
  title={Long-term time-series spectroscopy of OBA supergiants},
  year={2000},
  language={eng},
  number={23/24},
  journal={The journal of astronomical data},
}
@conference{UBHD-67883731,
  author={Stahl, Otmar and Mandel, Holger and Szeifert, Thomas and Wolf, Bernhard},
  title={One year spectroscopic monitoring of P Cygni stars},
  year={1991},
  pages={71},
  language={eng},
}
@article{UBHD-67883739,
  author={Stahl, Otmar and Wolf, Bernhard and G{\"a}ng, Thomas and Gummersbach, Christoph and Kaufer, Andreas and Mandel, Holger and Szeifert, Thomas},
  title={Periodic spectral variations of THETA-1-ORIONIS-C},
  year={1993},
  pages={L29-L32},
  language={eng},
  issn={0004-6361},
  volume={274},
  journal={Astronomy & astrophysics},
}
@article{UBHD-67894116,
  author={Stahl, Otmar and Kaufer, Andreas and Rivinius, Thomas J. and Szeifert, Thomas and Wolf, Bernhard and G{\"a}ng, Thomas and Gummersbach, Christoph and Mandel, Holger},
  title={Phase-locked photospheric and stellar-wind variations of θ^1^Orionis C},
  year={1996},
  pages={539-548},
  language={eng},
  issn={0004-6361},
  volume={312},
  note={Gesehen am 29.10.2014},
  journal={Astronomy & astrophysics},
}
@article{UBHD-67896611,
  author={Stahl, Otmar and Kaufer, Andreas and Wolf, Bernhard and Gummersbach, Christoph and G{\"a}ng, Thomas and Mandel, Holger and Rivinius, Thomas J.},
  title={Recent activity in MU CEN},
  year={1995},
  pages={12-15},
  language={eng},
  issn={0296-3140},
  volume={30},
  journal={Be Star newsletter},
}
@conference{UBHD-68069942,
  author={Štefl, Stanislav and Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard and Kaufer, Andreas},
  title={Circumstellar quasi-periods accompanying stellar periods of Be stars},
  year={1998},
  pages={348-352},
  language={eng},
  isbn={1-886733-55-4 and 978-1-886733-55-8},
}
@conference{UBHD-68069510,
  author={Štefl, Stanislav and Kaufer, Andreas and Rivinius, Thomas J. and Stahl, Otmar and Wolf, Bernhard},
  title={Tracing the transient periods in the Be star 28 [omega] CMa},
  year={2000},
  pages={240-243},
  language={eng},
  isbn={1-58381-045-5 and 978-1-58381-045-3},
}
@article{UBHD-68069958,
  author={Szeifert, Thomas and Stahl, Otmar and Wolf, Bernhard and Zickgraf, Franz-Josef},
  title={HST and groundbased observations of the "Hubble-Sandage" variables in M 31 and M 33},
  year={1996},
  pages={131-145},
  language={eng},
  issn={1432-0746},
  volume={314},
  note={Gesehen am 09.01.2017},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68069053,
  author={Tubbesing, Sascha and Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard and Maintz, Monika and Rivinius, Thomas J. and Szeifert, Thomas},
  title={The eclipsing hypergiant R 81 (B2.5Ia-O) in the Large Magellanic Cloud},
  subtitle={system properties from spectroscopic and photometric monitoring},
  year={2002},
  pages={931-944},
  language={eng},
  issn={1432-0746},
  volume={389},
  number={3},
  note={Gesehen am 04.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20020682},
}
@conference{UBHD-68069498,
  author={Tubbesing, Sascha and Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard},
  title={The eclipsing P Cygni-type star R 81 in the LMC},
  year={2001},
  pages={163-168},
  language={eng},
  isbn={1-58381-070-6 and 978-1-58381-070-5},
}
@incollection{UBHD-68069512,
  author={Tubbesing, Sascha and Kaufer, Andreas and Stahl, Otmar and Wolf, Bernhard and Haffa, Ralf and Maintz, Monika},
  title={Simultaneous spectroscopy and photometry of the eclipsing P Cyg star R81 in the LMC},
  year={2000},
  pages={107-110},
  language={eng},
  isbn={1-58381-031-5 and 978-1-58381-031-6},
  booktitle={Thermal and ionization aspects of flows from hot stars},
  editor={Lamers, Henny J. G. L. M. and Sapar, Arved},
}
@book{UBHD-35011708,
  editor={Wolf, Bernhard and Stahl, Otmar and Fullerton, Alex W.},
  organization={Colloquium on Variable and Non-Spherical Stellar Winds in Luminous Hot Stars <169, 1998, Heidelberg>},
  title={Variable and non-spherical stellar winds in luminous hot stars},
  subtitle={proceedings of the IAU Colloquium No. 169 held in Heidelberg, Germany, 15 - 19 June 1998},
  publisher={Springer},
  address={Berlin; Heidelberg [u.a.]},
  year={1999},
  pages={XX, 424 S},
  language={eng},
  isbn={3-540-65702-9 and 978-3-540-65702-6},
  number={ARRAY(0x55a53fcae430)},
  series={Proceedings of the ... colloquium of the International Astronomical Union},
  note={Literaturangaben},
  keywords={Heißer Stern / Sternwind},
  library={AR [Signatur: PY/US 1090 I11-169] ; LS [Signatur: LS/US 1198 I11] ; PY [Signatur: PY/UD 1998 H465]},
}
@article{UBHD-67915467,
  author={Wolf, Bernhard and Appenzeller, Immo and Bertout, Claude},
  title={High dispersion spectroscopy and an interpretation of the Balmer line profiles of the suspected protostar S CrA},
  year={1977},
  pages={163-173},
  language={eng},
  issn={1432-0746},
  volume={58},
  number={1/2},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68065982,
  author={Wolf, Bernhard and Stahl, Otmar and Seifert, Walter},
  title={High-dispersion spectroscopy of the Of/WN stars R84 and S61 of the Large Magellanic Cloud},
  year={1987},
  pages={182-190},
  language={eng},
  issn={1432-0746},
  volume={186},
  number={1/2},
  note={Gesehen am 19.12.2016},
  journal={Astronomy and astrophysics},
}
@conference{UBHD-68065976,
  author={Wolf, Bernhard and Stahl, Otmar and Seifert, Walter},
  title={High-dispersion spectroscopy of the ofpe/WN9 Stars R84 and S61 of the LMC},
  year={1988},
  pages={555},
  language={eng},
  isbn={90-277-2695-7 and 90-277-2696-5 and 978-90-277-2695-7 and 978-90-277-2696-4},
}
@article{UBHD-67916030,
  author={Wolf, Bernhard and Appenzeller, Immo and Cassatella, Angelo},
  title={ IUE and groundbased observations of the LMC star S Doradus},
  year={1980},
  pages={15-22},
  language={eng},
  issn={1432-0746},
  volume={88},
  number={1/2},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67916039,
  author={Wolf, Bernhard and Appenzeller, Immo and Stahl, Otmar},
  title={IUE and ground-based spectroscopic observations of the S Dor-type LMC variable R 71 during minimum state},
  year={1981},
  pages={94-102},
  language={eng},
  issn={1432-0746},
  volume={103},
  number={1},
  note={Gesehen am 18.12.2015},
  journal={Astronomy and astrophysics},
}
@conference{UBHD-68069514,
  author={Wolf, Bernhard and Kaufer, Andreas and Rivinius, Thomas J. and Stahl, Otmar and Szeifert, Thomas and Tubbesing, Sascha},
  title={Spectroscopic monitoring of luminous hot stars of the magellanic clouds},
  year={2000},
  pages={43-50},
  language={eng},
  isbn={1-58381-031-5 and 978-1-58381-031-6},
}
@article{UBHD-67917559,
  author={Zickgraf, Franz-Josef and Wolf, Bernhard and Stahl, Otmar and Leitherer, Claus and Appenzeller, Immo},
  title={B[e] supergiants of the magellanic clouds},
  year={1986},
  pages={119-134},
  language={eng},
  issn={1432-0746},
  volume={163},
  note={Gesehen am 18.12.2015},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67914192,
  author={Zickgraf, Franz-Josef and Wolf, Bernhard and Stahl, Otmar and Kaufer, Andreas and Appenzeller, Immo},
  title={R4 in the small magellanic cloud},
  subtitle={a spectroscopic binary with a B[e]/LBV-type component},
  year={1996},
  pages={505-514},
  language={eng},
  issn={1432-0746},
  volume={309},
  journal={Astronomy and astrophysics},
}
@article{UBHD-68069956,
  author={Zickgraf, Franz-Josef and Wolf, Bernhard and Stahl, Otmar},
  title={Spectroscopic study of the outflowing disk winds of B[e] supergiants in the magellanic clouds*},
  year={1997},
  pages={510-520},
  language={eng},
  issn={1432-0746},
  volume={315},
  note={Gesehen am 09.01.2017},
  journal={Astronomy and astrophysics},
}