@conference{UBHD-67923104,
  author={Appenzeller, Immo and F{\"u}rtig, Walter and Seifert, Walter},
  title={The FORS Instruments for the ESO VLT},
  year={1995},
  pages={40},
  language={eng},
}
@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},
}
@conference{UBHD-68065272,
  author={F{\"u}rtig, Walter and Seifert, Walter},
  title={A set of Grisms for FORS},
  year={1995},
  pages={27-28},
  language={eng},
  isbn={0-937707-90-2 and 978-0-937707-90-6},
}
@conference{UBHD-68065258,
  author={Nicklas, Harald E. and F{\"u}rtig, Walter and Seifert, Walter and Stahl, Otmar},
  title={Image motion and flexure compensation of the FORS spectrographs},
  year={1998},
  pages={93-104},
  language={eng},
  isbn={0-8194-2802-7 and 978-0-8194-2802-8},
}
@conference{UBHD-68065275,
  author={Seifert, Walter and F{\"u}rtig, Walter},
  title={Imaging and spectroscopy with focal reducers},
  year={1995},
  pages={18-26},
  language={eng},
  isbn={0-937707-90-2 and 978-0-937707-90-6},
}
@article{UBHD-68065928,
  author={Seifert, Walter and F{\"u}rtig, Walter},
  title={Polarization optics for FORS},
  year={1994},
  pages={240},
  language={eng},
  volume={10},
  note={Gesehen am 19.12.2016},
  journal={Abstract series},
}
@conference{UBHD-68065912,
  author={Stahl, Otmar and Seifert, Walter and F{\"u}rtig, Walter},
  title={Spectroscopy with FORS},
  year={1997},
  pages={49-54},
  language={eng},
  isbn={0-7923-4518-5 and 978-0-7923-4518-3},
}
@conference{UBHD-67912285,
  author={Szeifert, Thomas and Appenzeller, Immo and F{\"u}rtig, Walter and Seifert, Walter and Stahl, Otmar},
  title={Testing FORS},
  subtitle={the first focal reducer for the ESO VLT},
  year={1998},
  pages={20-27},
  language={eng},
  isbn={0-8194-2802-7 and 978-0-8194-2802-8},
}