@book{Bruessermann1982,
  author    = {Br{\"u}ssermann, Klaus},
  title     = {Proceedings of the Workshop on Evaluation and Mitigation of Accidental Releases of Radioactivity, Identification of Uncertainties : Bad M{\"u}nstereifel, Fed. Republic of Germany, April 5th - 10th, 1981},
  publisher = {Ges. f{\"u}r Umwelt{\"u}berwachung},
  address   = {Aldenhoven},
  isbn      = {3-88668-014-2},
  pages     = {72 S.},
  year      = {1982},
  language  = {en}
}
@book{BaltzerKayser1982,
  author    = {Baltzer, Wolfgang and Kayser, Hans J.},
  title     = {Befolgung von Verkehrsbeeinflussungsanlagen in Tunneln in Abh{\"a}ngigkeit von der Ausstattung / H. J. Kayser ; W. Baltzer},
  publisher = {Bundesminister f{\"u}r Verkehr, Abt. Straßenbau},
  address   = {Bonn- Bad Godesberg},
  pages     = {82 S. : Ill., graph. Darst.},
  year      = {1982},
  language  = {de}
}
@book{AltSchumny1982,
  author    = {Alt, Helmut and Schumny, Harald},
  title     = {Programmierung mathematischer Algorithmen (Vieweg-Programmbibliothek Taschenrechner ; 1) / Helmut Alt ; Harald Schumny [Hrsg.]},
  publisher = {Vieweg + Teubner},
  address   = {Wiesbaden},
  isbn      = {3-528-04211-7},
  pages     = {92 S.},
  year      = {1982},
  language  = {de}
}