@incollection{SchwarteHeinolBuxbaumetal.1999,
  author    = {Schwarte, Rudolf and Heinol, Horst-Guenther and Buxbaum, Bernd and Ringbeck, Thorsten and Xu, Z. and Hartmann, K.},
  title     = {Principles of three-dimensional imaging techniques},
  series = {Sensors and imaging. - (Handbook of computer vision and applications ; Vol. 1)},
  booktitle = {Sensors and imaging. - (Handbook of computer vision and applications ; Vol. 1)},
  editor    = {J{\"a}hne, Bernd},
  publisher = {Academic Press},
  address   = {San Diego},
  isbn      = {0-12-379771-3 (Einzelbd.)},
  pages     = {463 -- 485},
  year      = {1999},
  language  = {en}
}
@book{Chwallek1999,
  author    = {Chwallek, Constanze},
  title     = {Bewertungsrelevanz ver{\"o}ffentlichter Kapitalflußrechnungen b{\"o}rsennotierter deutscher Unternehmen},
  publisher = {Lang},
  address   = {Frankfurt am Main},
  isbn      = {3-631-34214-4},
  pages     = {XIX, 219 S.},
  year      = {1999},
  language  = {de}
}