@book{Wahle1999,
  author    = {Wahle, Michael},
  title     = {Angewandte Strukturanalyse. - (Dynamik)},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-567-6},
  pages     = {120, A41 S. : Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@book{Wahle1995,
  author    = {Wahle, Michael},
  title     = {Grundlagen der Maschinen- und Strukturdynamik. - (H{\"o}here Technische Mechanik ; 2)},
  edition   = {1. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-930911-61-2},
  pages     = {216 S. : graph. Darst.},
  year      = {1995},
  language  = {de}
}
@book{Wahle1994,
  author    = {Wahle, Michael},
  title     = {Kinetik. - (Dynamik ; 2)},
  edition   = {1. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3- 930085-94-1},
  pages     = {91 S. : graph. Darst.},
  year      = {1994},
  language  = {de}
}
@book{Wahle1993,
  author    = {Wahle, Michael},
  title     = {Kinematik. - (Dynamik ; 1)},
  edition   = {1. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-930085-25-9},
  pages     = {72 S. : graph. Darst.},
  year      = {1993},
  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{BlomeZaun2007,
  author    = {Blome, Hans-Joachim and Zaun, Harald},
  title     = {Der Urknall : Anfang und Zukunft des Universums 2., aktualisierte Aufl.},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {3-406-50837-5},
  pages     = {128 S.},
  year      = {2007},
  language  = {de}
}
@book{LeyWittmannHallmann2009,
  author    = {Ley, Wilfried and Wittmann, Klaus and Hallmann, Willi},
  title     = {Handbook of space technology},
  publisher = {Wiley},
  address   = {Chichester},
  isbn      = {978-0-470-69739-9},
  pages     = {XIII, 882 S. : Ill., graph. Darst.},
  year      = {2009},
  language  = {en}
}
@book{Schmitz2011,
  author    = {Schmitz, G{\"u}nter},
  title     = {Elektrotechnik : Grundlagen der Elektrotechnik f{\"u}r Ingenieur-Studenten},
  publisher = {Ventus Publ.},
  address   = {Frederiksberg},
  isbn      = {978-87-7681-786-2},
  pages     = {142 S. Ill., graph. Darst},
  year      = {2011},
  language  = {de}
}
@book{Schmitz2011,
  author    = {Schmitz, G{\"u}nter},
  title     = {Elektronik : Grundlagen der Elektronik f{\"u}r Ingenieurstudenten},
  publisher = {Ventus Publ.},
  address   = {Frederiksberg},
  isbn      = {978-87-7681-832-6},
  pages     = {164 S. : Ill., graph. Darst.},
  year      = {2011},
  language  = {de}
}