@book{BreitbachDavidNickel1984,
  author    = {Breitbach, Gerd and David, H.-P. and Nickel, M.},
  title     = {Gasaustausch zwischen einem Helium enthaltenden Beh{\"a}lter und der Umgebung {\"u}ber ein nach unten abgehendes Rohr und dessen Relevanz f{\"u}r den HTR-Modul / [KFA, Kernforschungsanlage J{\"u}lich, GmbH, Inst. f{\"u}r Nukleare Sicherheitsforschung]},
  publisher = {Zentralbibliothek der Kernforschungsanlage},
  address   = {J{\"u}lich},
  pages     = {16, 14 S. : 14 Ill. u. graph. Darst.},
  year      = {1984},
  language  = {de}
}
@book{BreitbachDavidNickeletal.1988,
  author    = {Breitbach, Gerd and David, H.P. and Nickel, M. and Wolters, J.},
  title     = {Ausstr{\"o}m- und Gasaustauschvorg{\"a}nge nach Lecks im Prim{\"a}rkreislauf von Hochtemperaturreaktoren},
  publisher = {Zentralbibliothek d. Kernforschungsanlage},
  address   = {J{\"u}lich},
  pages     = {31 S. : graph. Darst.},
  year      = {1988},
  language  = {de}
}
@article{HanssenNickelDrexeletal.2011,
  author    = {Hanssen, H. and Nickel, T. and Drexel, V. and Hertel, G. and Emslander, I. and Sisic, Z. and Lorang, D. and Schuster, T. and Kotliar, Konstantin and Pressler, A. and Schmidt-Trucks{\"a}ss, A. and Weis, M. and Halle, M.},
  title     = {Exercise-induced alterations of retinal vessel diameters and cardiovascular risk reduction in obesity},
  series = {Atherosclerosis},
  volume    = {216},
  journal   = {Atherosclerosis},
  number    = {2},
  publisher = {Elsevier},
  address   = {Amsterdam},
  isbn      = {0021-9150},
  pages     = {433 -- 439},
  year      = {2011},
  language  = {en}
}