@book{Ley2008,
  author    = {Ley, Wilfried},
  title     = {Handbuch der Raumfahrttechnik / Ley, Wilfried ; Wittmann, Klaus ; Hallmann, Willi [Hrsg.]},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-41185-2},
  pages     = {814 S. : zahlr. Ill., graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{Hirschberg2008,
  author    = {Hirschberg, Rainer},
  title     = {Energieeffiziente Geb{\"a}ude : bau- und anlagentechnische L{\"o}sungen ; vereinfachte Verfahren zur energetischen Bewertung ; mit 47 Tabellen ; [Praxishandbuch zur EnEV 2007] / Rainer Hirschberg},
  publisher = {M{\"u}ller},
  address   = {K{\"o}ln},
  isbn      = {978-3-481-02227-3},
  pages     = {308 S. : zahlr. graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{Sparla1993,
  author    = {Sparla, Peter},
  title     = {Experimentelle Untersuchungen zur Ermittlung des Brechungsindex der Atmosph{\"a}re mit Hilfe von elektronischen Sensoren},
  publisher = {Geod{\"a}tisches Inst. der Rheinisch-Westf{\"a}lischen Techn. Hochsch.},
  address   = {Aachen},
  pages     = {188 S. : Ill., graph. Darst.},
  year      = {1993},
  language  = {de}
}
@book{Nissen2008,
  author    = {Nissen, Holger},
  title     = {[Skripte]},
  year      = {2008},
  language  = {en}
}
@book{Call2008,
  author    = {Call, Guido},
  title     = {Kunden- und Servicemanagement : erfolgreich der Servicew{\"u}ste entgehen},
  publisher = {Kovac},
  address   = {Hamburg},
  isbn      = {978-3-8300-3890-0},
  pages     = {147 S. : Ill., graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{Mertens1983,
  author    = {Mertens, Josef},
  title     = {Instation{\"a}re Str{\"o}mungen von Gasen mit brennbaren Partikeln},
  address   = {Aachen},
  pages     = {III, 245 S. : graph. Darst.},
  year      = {1983},
  language  = {de}
}
@book{MertensVeldenKelmetal.2000,
  author    = {Mertens, Josef and Velden, Alexander van der and Kelm, Roland and Kokan, David},
  title     = {Application of MDO to large subsonic transport aircraft},
  publisher = {American Institute of Aeronautics and Astronautics},
  address   = {Reston, Va.},
  pages     = {12 S. : zahlr. Ill. u. graph. Darst.},
  year      = {2000},
  language  = {en}
}
@book{KaminskyKallweitWeberetal.2006,
  author    = {Kaminsky, Radoslav and Kallweit, Stephan and Weber, Hans-Joachim and Simons, Antoine and Verdonck, Pascal},
  title     = {Stereo high speed PIV measurements behind two different artificial heart valves},
  pages     = {9 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {en}
}
@book{WeberKaminskyKallweitetal.2005,
  author    = {Weber, Hans-Joachim and Kaminsky, Radoslav and Kallweit, Stephan and Simons, Antoine},
  title     = {PIV measurements with high temporal resolution behind artificial heart valves},
  pages     = {9 S.},
  year      = {2005},
  language  = {en}
}
@book{Tietze2008,
  author    = {Tietze, J{\"u}rgen},
  title     = {Einf{\"u}hrung in die angewandte Wirtschaftsmathematik / [Hauptbd.] 14., aktualisierte Aufl.},
  publisher = {Vieweg},
  address   = {Braunschweig},
  isbn      = {978-3-8348-0514-0},
  pages     = {XVI, 566 S. : graph. Darst.},
  year      = {2008},
  language  = {de}
}