@book{SimonisBruecher1984,
  author    = {Simonis, Rainer and Br{\"u}cher, Heiner},
  title     = {Verhalten von radioaktivem Krypton-85 in der Tiefsee : Abschlußbericht f{\"u}r d. Berichtszeitraum 1.10.1980 - 31.3.1983},
  publisher = {Zentralbibliothek d. Kernforschungsanlage},
  address   = {J{\"u}lich},
  pages     = {87 S.},
  year      = {1984},
  subject      = {Krypton-85},
  language  = {de}
}
@book{GruetersPeters1984,
  author    = {Gr{\"u}ters, Hugo and Peters, Norbert},
  title     = {Mechanik. Bd. 2 Dynamik. Peters, Norbert; Gr{\"u}ters, Hugo},
  publisher = {Inst. f{\"u}r Techn. Mechanik, RWTH Aachen},
  address   = {Aachen},
  pages     = {138, 13 S.: graph Darst.},
  year      = {1984},
  language  = {de}
}