@article{UBHD-67498877,
  author={Kovalevsky, Jean and Walter, Hans G. and Hering, Roland and R{\"o}ser, Siegfried and Wielen, Roland and Bernstein, Hans-Heinrich and Lenhardt, Helmut},
  title={The FAST Hipparcos data reduction consortium},
  subtitle={overview of the adopted reduction software},
  year={1992},
  pages={7-17},
  language={eng},
  issn={1432-0746},
  volume={258},
  note={Gesehen am 18.11.2013},
  journal={Astronomy and astrophysics},
}
@article{UBHD-67498878,
  author={Walter, Hans G. and Bernstein, Hans-Heinrich and Hering, Roland and Lenhardt, Helmut and Wielen, Roland},
  title={Preliminary FAST results on astrometric parameters},
  year={1992},
  pages={4171},
  language={eng},
  volume={9},
  journal={Highlights of astronomy},
}
@incollection{UBHD-67497019,
  author={Wielen, Roland and Bernstein, Hans-Heinrich and Dettbarn, Christian and Hering, Roland and J{\"a}hrling, Rainer and Lenhardt, Helmut and Walter, Hans G.},
  title={A test of preliminary HIPPARCOS parallaxes using photometric parallaxes of distant stars},
  year={1994},
  pages={74-79},
  language={eng},
  isbn={0-521-46240-1 and 978-0-521-46240-2},
  booktitle={Galactic and solar system optical astrometry},
  editor={Morrison, L. V.},
}