@article{UBHD-67916038,
  author={Appenzeller, Immo and Gaida, Gerhard},
  title={Optical spectroscopic and electronographic observations of the radio galaxy IC 5063},
  year={1981},
  pages={230-236},
  language={eng},
  issn={1432-0746},
  volume={102},
  number={2},
  note={Gesehen am 18.12.2015},
  journal={Astronomy and astrophysics},
}
@book{UBHD-2513325,
  author={Gaida, Gerhard},
  title={Galaxien um BL-Lacertae-Objekte},
  year={1982},
  pages={60 S.},
  language={ger},
  school={Heidelberg, Univ., Diss., 1982},
  keywords={BL-Lacertae-Objekt ; BL-Lacertae-Objekt / Galaxie},
  library={UB ; UB [Signatur: 84 U 375]},
}