@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{Mertens1999,
  author    = {Mertens, Josef},
  title     = {Reduktion des aerodynamischen Widerstands (RaWid) : Abschlußbericht ; Laufzeit des Vorhaben, Berichtszeitraum: 01.07.1995 bis 31.12.1998 / Verf.: J. Mertens},
  publisher = {DaimlerChrysler Aerospare Airbus GmbH},
  address   = {Hamburg},
  pages     = {31 Bl. : Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@book{Mertens1999,
  author    = {Mertens, Josef},
  title     = {Reduktion des aerodynamischen Widerstands (RaWid) : Abschlußbericht ; Laufzeit des Vorhaben, Berichtszeitraum: 01.07.1995 bis 31.12.1998 / Verf.: J. Mertens},
  publisher = {DaimlerChrysler Aerospare Airbus GmbH},
  address   = {Hamburg},
  pages     = {Elektronische Ressource 31 p. = 1,38 Mb. text and},
  year      = {1999},
  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}
}