@conference{UBHD-67911410,
  author={Appenzeller, Immo and Dietrich, Matthias and F{\"u}rtig, Walter and Heidt, Jochen and K{\"u}mmel, Martin W. and Mehlert, D{\"o}rte and M{\"o}llenhoff, Claus and Seifert, Walter and Stahl, Otmar and Szeifert, Thomas},
  title={Science with FORS},
  year={2000},
  pages={3-11},
  language={eng},
  isbn={3-540-67163-3 and 978-3-540-67163-3},
}
@article{UBHD-67928336,
  author={Bloom, Steven D. and Bock, Holger Arne and Dietrich, Matthias and Otterbein, Kai and Wagner, Stefan},
  title={Observations of a correlated gamma-ray and optical flare for BL Lacertae},
  year={1997},
  pages={L145-L148},
  language={eng},
  issn={2041-8213},
  volume={490},
  number={2},
  note={Gesehen am 21.01.2016},
  journal={The astrophysical journal},
  doi={10.1086/311035},
}
@incollection{UBHD-67923118,
  author={Dietrich, Matthias and Appenzeller, Immo and Heidt, Jochen and Wagner, Stefan},
  title={Elemental abundances in the broad emission line region of quasars at redshifts larger than 4},
  year={2002},
  pages={?},
  language={eng},
  note={Gesehen am 11.01.2016},
  booktitle={De.arxiv.org},
}
@article{UBHD-67901917,
  author={Dietrich, Matthias and Appenzeller, Immo and Wagner, Stefan},
  title={Elemental abundances and high redshift quasars},
  year={2003},
  pages={264-265},
  language={eng},
  issn={0185-1101},
  volume={17},
  number={?},
  note={Gesehen am 13.11.2015},
  journal={Revista mexicana de astronomía y astrofísica},
}
@article{UBHD-67901934,
  author={Dietrich, Matthias and Appenzeller, Immo and Heidt, Jochen and Wagner, Stefan},
  title={Elemental abundances in the broad emission line regions of quasars at redshifts larger than 4},
  year={2003},
  pages={891-899},
  language={eng},
  issn={1432-0746},
  volume={398},
  number={3},
  note={Gesehen am 13.11.2015},
  journal={Astronomy and astrophysics},
  doi={10.1051/0004-6361:20021697},
}
@article{UBHD-67901899,
  author={Dietrich, Matthias and Appenzeller, Immo},
  title={Fe II/Mg II emission-line ratio in high-redshift quasars},
  year={2003},
  pages={817-829},
  language={eng},
  issn={1538-4357},
  volume={596},
  note={Gesehen am 13.11.2015},
  journal={The astrophysical journal},
}
@article{UBHD-67908775,
  author={Dietrich, Matthias and Appenzeller, Immo and Wagner, Stefan},
  title={High-redshift quasars and star formation in the early universe},
  year={2002},
  pages={581-591},
  language={eng},
  issn={1538-4357},
  volume={564},
  number={2},
  journal={The astrophysical journal},
}
@article{UBHD-67935532,
  author={Dietrich, Matthias and Wagner, Stefan},
  title={Kinematics of the narrow-line region of NGC 1068},
  year={1998},
  pages={405-412},
  language={eng},
  issn={1432-0746},
  volume={338},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67932882,
  author={Dietrich, Matthias and Wagner, Stefan},
  title={Monitoring of active galacitc nuclei},
  subtitle={4. The Seyfert 1 galaxy NGC 4593},
  year={1994},
  pages={33-43},
  language={eng},
  issn={1432-0746},
  volume={284},
  number={1},
  journal={Astronomy and astrophysics},
}
@conference{UBHD-67940181,
  author={Dietrich, Matthias and Wagner, Stefan and Bock, Holger Arne},
  title={Multiwavelength variability study of 3C 390.3},
  year={1995},
  pages={229},
  language={eng},
}
@article{UBHD-67928310,
  author={Dietrich, Matthias and Heidt, Jochen and Wagner, Stefan},
  title={Quasar elemental abundances at high redshifts},
  year={2003},
  pages={722-732},
  language={eng},
  issn={1538-4357},
  volume={589},
  note={Gesehen am 21.01.2016},
  journal={The astrophysical journal},
}
@incollection{UBHD-67908779,
  author={Dietrich, Matthias and Appenzeller, Immo and Wagner, Stefan},
  title={Quasar evolution and star formation history},
  year={2002},
  pages={329-331},
  language={eng},
  isbn={3-540-43769-X and 978-3-540-43769-7},
  booktitle={Lighthouses of the universe},
  editor={Gilfanov, Marat},
}
@article{UBHD-67912258,
  author={Dietrich, Matthias and Appenzeller, Immo and Wagner, Stefan and Seifert, Walter and Stahl, Otmar and Szeifert, Thomas},
  title={Spectroscopic study of high redshift quasars},
  year={1999},
  pages={L1-L4},
  language={eng},
  issn={0004-6361},
  volume={352},
  journal={Astronomy & astrophysics},
}
@article{UBHD-67912259,
  author={Dietrich, Matthias and Appenzeller, Immo and Wagner, Stefan and Seifert, Walter and Stahl, Otmar and Szeifert, Thomas},
  title={Spectroscopic study of high redshift quasars},
  year={1999},
  pages={L1-L4},
  language={eng},
  issn={1432-0746},
  volume={352},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67926834,
  author={Dietrich, Matthias and K{\"u}mmel, Martin W. and Wagner, Stefan},
  title={Steps toward determination of the size and structure of the broad-line region in active galactic nuclei},
  subtitle={XII. Ground-based monitoring of 3C 390.3},
  year={1998},
  pages={185-202},
  language={eng},
  issn={1538-4365},
  volume={115},
  number={2},
  journal={The astrophysical journal},
}
@article{UBHD-67932875,
  author={Dietrich, Matthias and Wagner, Stefan and Courvoisier, Thierry J. and Bock, Holger Arne},
  title={Structure of the broad-line region of 3C 273},
  year={1999},
  pages={31-42},
  language={eng},
  issn={1432-0746},
  volume={351},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67926108,
  author={Edelson, Rick A. and Dietrich, Matthias and Wagner, Stefan},
  title={Multiwavelength observations of short-timescale variability in NGC 4151},
  subtitle={IV. Analysis of multiwavelength continuum variability},
  year={1996},
  pages={364},
  language={eng},
  volume={470},
  note={Gesehen am 18.01.2016},
  journal={The astrophysical journal},
}
@article{UBHD-68011618,
  author={Heidt, Jochen and Jaeger, Klaus and Dietrich, Matthias},
  title={The QSO HE1013-2136 (z = 0.785)},
  subtitle={tracing the ULIRG-QSO connection towards large look-back times?},
  year={2006},
  pages={762-765},
  language={eng},
  issn={1387-6473},
  volume={50},
  number={9/10},
  journal={New astronomy reviews},
}
@article{UBHD-68007073,
  author={Heidt, Jochen and Jaeger, Klaus and Dietrich, Matthias},
  title={The QSO HE1013-2136 (z = 0.785)},
  subtitle={tracing the ULIRG-QSO connection towards large look-back times?},
  year={2006},
  pages={762-765},
  language={eng},
  issn={1387-6473},
  volume={50},
  number={9/10},
  note={Gesehen am 13.07.2016},
  journal={New astronomy reviews},
  doi={10.1016/j.newar.2006.06.030},
}
@article{UBHD-67935050,
  author={Jackson, Neal and Dietrich, Matthias and Wagner, Stefan},
  title={Monitoring of active galactic nuclei},
  subtitle={I. The quasars 1302-102 and 1217 + 023},
  year={1992},
  pages={17-25},
  language={eng},
  issn={1432-0746},
  volume={262},
  number={1},
  journal={Astronomy and astrophysics},
}
@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},
}
@article{UBHD-67928308,
  author={Rodríguez-Pascual, Petro and Dietrich, Matthias and Wagner, Stefan},
  title={Steps toward determination of the size and structure of the broad-line region in active galactic nuclei},
  subtitle={IX. Ultraviolet observations of Fairall 9},
  year={1997},
  pages={9-20},
  language={eng},
  issn={1538-4365},
  volume={110},
  number={1},
  journal={The astrophysical journal},
}
@conference{UBHD-67928834,
  author={Wagner, Stefan and Dietrich, Matthias},
  title={NLR Kinematics of NGC 1068},
  year={2004},
  pages={214-218},
  language={eng},
}
@article{UBHD-67930169,
  author={Wanders, Ignaz and Dietrich, Matthias and Wagner, Stefan},
  title={Spectroscopic monitoring of active galactic nuclei},
  subtitle={II. The Seyfert-1 galaxy NGC 3516},
  year={1993},
  pages={39-53},
  language={eng},
  issn={1432-0746},
  volume={269},
  number={1/2},
  journal={Astronomy and astrophysics},
}