@article{UBHD-67912762,
  author={Pfeiffer, Marion and Appenzeller, Immo and Wagner, Stefan},
  title={Highly ionized plasma in AGN},
  year={1998},
  pages={48},
  language={eng},
  journal={Abstracts of contributed talks and posters presented at the annual scientific meeting of the Astronomische Gesellschaft},
}
@incollection{UBHD-67940192,
  author={Pfeiffer, Marion and Wagner, Stefan and Dietrich, Matthias},
  title={Simultaneous variations in Markarian 421 in the optical and TeV-range},
  year={1995},
  pages={101},
  language={eng},
  booktitle={Abstracts of contributed talks and posters presented at the Joint Scientific Fall Meeting of the Astronomische Gesellschaft and of the Arbeitsgemeinschaft Extraterrestrische Forschung (AEF/DPG) at Bonn},
  editor={Klare, Gerhard},
}
@book{UBHD-65302305,
  author={Pfeiffer, Marion},
  title={Spektroskopische Untersuchung hochionisierten Plasmas in aktiven galaktischen Kernen},
  year={2000},
  pages={Online-Ressource (263 S.)},
  language={ger},
  school={Heidelberg, Univ., Diss., 2000},
  doi={10.11588/heidok.00000682},
  keywords={R{\"o}ntgenastronomie},
  url={http://www.ub.uni-heidelberg.de/archiv/682},
  library={UB},
}
@book{UBHD-65118255,
  author={Pfeiffer, Marion},
  title={Spektroskopische Untersuchung hochionisierten Plasmas in aktiven galaktischen Kernen},
  year={2000},
  pages={III, 243 S.},
  language={ger},
  school={Heidelberg, Univ., Diss., 2000},
  keywords={R{\"o}ntgenastronomie},
  library={UB [Signatur: 2000 U 537]},
}