@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},
}
@book{UBHD-9810290,
  author={Gummersbach, Christoph},
  title={NLTE-Analysen von B-Sternen in der galaktischen Scheibe},
  year={1998},
  pages={149 S.},
  language={ger},
  school={Heidelberg, Univ., Diss., 1998},
  library={UB [Signatur: 98 U 242]},
}
@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-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-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},
}