@conference{UBHD-68067217,
  author={Chesneau, Olivier and Kaufer, Andreas and Stahl, Otmar},
  title={High spatial resolution monitoring of the activity of BA supergiant winds},
  year={2011},
  pages={342-347},
  language={eng},
  issn={1743-9221},
  doi={10.1017/S1743921311010751},
}
@article{UBHD-68069946,
  author={Damineli, Augusto and Stahl, Otmar and Kaufer, Andreas},
  title={The 1998.0 spectroscopic event in eta Carinae},
  year={1997},
  pages={1261},
  language={eng},
  issn={0002-7537},
  volume={29},
  journal={Bulletin of the American Astronomical Society},
}
@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},
}
@conference{UBHD-67908776,
  author={Donati, Jean-François and Kaufer, Andreas and Appenzeller, Immo and Stahl, Otmar},
  title={High-resolution spectropolarimetry on the VLT},
  year={2002},
  pages={238-243},
  language={eng},
  isbn={3-540-43755-X and 978-3-540-43755-0},
}
@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},
}
@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-68067205,
  author={Kaufer, Andreas and Stahl, Otmar},
  title={The circumstellar environment of Rigel probed at high spatial and spectral resolution},
  year={2012},
  pages={35-42},
  language={eng},
  isbn={978-1-58381-810-7 and 978-1-58381-811-4},
}
@article{UBHD-68069517,
  author={Kaufer, Andreas and Stahl, Otmar and Tubbesing, Sascha},
  title={Commissioning FEROS, the new high-resolution spectrograph at La-Silla},
  year={1999},
  pages={8-12},
  language={eng},
  volume={95},
  journal={The ESO messenger},
}
@article{UBHD-68069494,
  author={Kaufer, Andreas and Prinja, Raman K. and Stahl, Otmar},
  title={Evidence for a connection between photospheric and wind structure in HD 64760*},
  year={2002},
  pages={1032-1041},
  language={eng},
  issn={1432-0746},
  volume={382},
  number={3},
  note={Gesehen am 05.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20011649},
}
@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-68068610,
  author={Kaufer, Andreas and Stahl, Otmar},
  title={Multi-periodic photospheric pulsations and connected wind structures in HD 64760},
  year={2006},
  pages={325-341},
  language={eng},
  issn={1432-0746},
  volume={447},
  number={1},
  note={Gesehen am 02.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20053847},
}
@incollection{UBHD-68069508,
  author={Kaufer, Andreas and Stahl, Otmar and Tubbesing, Sascha},
  title={Performance report on FEROS, the new fiber-linked echelle spectrograph at the ESO 1.52-m telescope},
  year={2000},
  pages={459-466},
  language={eng},
  booktitle={27 - 31 March 2000, Munich, Germany},
}
@conference{UBHD-68067226,
  author={Kaufer, Andreas and Stahl, Otmar and Prinja, Raman K.},
  title={The photosphere},
  subtitle={Wind connection in HD64760},
  year={2007},
  pages={179-185},
  language={eng},
  isbn={978-1-58381-229-7},
}
@book{UBHD-9622591,
  author={Kaufer, Andreas},
  title={Die Struktur und Variabilit{\"a}t von BA-{\"U}berriesen},
  year={1996},
  pages={151 S.},
  language={ger},
  school={Heidelberg, Univ. Diss., 1996},
  library={UB [Signatur: 96 U 649]},
}
@conference{UBHD-68069505,
  author={Korn, Andreas J. and Kaufer, Andreas and Stahl, Otmar},
  title={The magellanic clouds},
  subtitle={nitrogen-poor environments},
  year={2001},
  pages={?},
  language={eng},
}
@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-68069054,
  author={Neiner, C. and Kaufer, Andreas and Stahl, Otmar and Tubbesing, Sascha},
  title={Non-radial pulsation, rotation and outburst in the be star Orionis from the MuSiCoS 1998 campaign},
  year={2002},
  pages={899-916},
  language={eng},
  issn={1432-0746},
  volume={388},
  number={3},
  note={Gesehen am 04.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20020522},
}
@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-68069041,
  author={Prinja, Raman K. and Rivinius, Thomas J. and Stahl, Otmar and Kaufer, Andreas},
  title={Photospheric and stellar wind variability in [Epsilon] Ori (B0 Ia)},
  year={2004},
  pages={727-736},
  language={eng},
  issn={1432-0746},
  volume={418},
  number={2},
  note={Gesehen am 04.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20035638},
}
@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-68069047,
  author={Rivinius, Thomas J. and Stahl, Otmar and Kaufer, Andreas},
  title={A new bright helium variable B star},
  subtitle={HR 2949},
  year={2003},
  pages={4 S.},
  language={eng},
  issn={1587-2440},
  volume={(2003) Artikel-Nummer 5397},
  number={4 Seiten},
  journal={Information bulletin on variable stars},
}
@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},
}
@incollection{UBHD-67908777,
  author={Schmid, Hans Martin and Appenzeller, Immo and Kaufer, Andreas},
  title={Imaging polarimetry and spectropolarimetry of bright objects},
  year={2002},
  pages={231-237},
  language={eng},
  isbn={354043755X},
  booktitle={Scientific drivers for ESO future VLT/VLTI instrumentation},
  editor={Bergeron, Jacqueline and Monnet, Guy},
}
@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},
}
@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-68069052,
  author={Smith, Nathan and Stahl, Otmar and Kaufer, Andreas},
  title={The WR+OB progenitor RY Scuti},
  subtitle={intensive spectroscopy of its compact double-ring Nebula},
  year={2002},
  pages={464-485},
  language={eng},
  issn={1538-4357},
  volume={578},
  number={1},
  note={Gesehen am 04.01.2017},
  journal={The astrophysical journal},
  doi={10.1086/342365},
}
@conference{UBHD-68069929,
  author={Stahl, Otmar and Kaufer, Andreas and Tubbesing, Sascha},
  title={The FEROS spectrograph},
  year={1999},
  pages={331-340},
  language={eng},
  isbn={1-58381-014-5 and 978-1-58381-014-9},
}
@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},
}
@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},
}
@article{UBHD-68069046,
  author={Štefl, Stanislav and Rivinius, Thomas J. and Stahl, Otmar and Kaufer, Andreas and Maintz, Monika},
  title={Stellar and circumstellar activity of the be star [Omega] CMa},
  subtitle={I. Line and continuum emission in 1996-2002},
  year={2003},
  pages={253-265},
  language={eng},
  issn={1432-0746},
  volume={402},
  number={1},
  note={Gesehen am 04.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20030224},
}
@article{UBHD-68069044,
  author={Štefl, Stanislav and Rivinius, Thomas J. and Stahl, Otmar and Kaufer, Andreas and Maintz, Monika},
  title={Stellar and circumstellar activity of the be star [Omega] CMa},
  subtitle={II. Periodic line-profile variability},
  year={2003},
  pages={167-180},
  language={eng},
  issn={1432-0746},
  volume={411},
  number={2},
  note={Gesehen am 04.01.2017},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20031179},
}
@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},
}
@conference{UBHD-68069051,
  author={Szeifert, Thomas and Kaufer, Andreas and Stahl, Otmar},
  title={High-resolution spectroscopy of two LBV cycles of HR Car},
  year={2003},
  pages={243-244},
  language={eng},
  isbn={1-58381-133-8 and 978-1-58381-133-7},
}
@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},
}
@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-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},
}