@book{Knepper2003,
  author    = {Knepper, Ludger},
  title     = {Konzeptentwicklung Distributionszentrum f{\"u}r Tissue-Papiere},
  address   = {FH Aachen},
  year      = {2003},
  language  = {de}
}
@book{Knepper2003,
  author    = {Knepper, Ludger},
  title     = {Procurement Optimizer - Rechner- und internetgest{\"u}tztes Tool zur Optimierung der Materialbeschaffung in der Produktion},
  address   = {FH Aachen},
  year      = {2003},
  language  = {de}
}
@book{Knepper2004,
  author    = {Knepper, Ludger},
  title     = {Aufbau eines Benchmark-Systems f{\"u}r operative Unternehmensprozesse},
  address   = {FH Aachen},
  year      = {2004},
  language  = {de}
}
@book{Knepper2004,
  author    = {Knepper, Ludger},
  title     = {Auslegung und Konstruktion von Hallentorantrieben},
  address   = {FH Aachen},
  year      = {2004},
  language  = {de}
}
@book{KnepperPfeiffer1995,
  author    = {Knepper, Ludger and Pfeiffer, Johann},
  title     = {Diplom-Ingenieur/Diplom-Ingenieurin (Fachhochschule) Maschinenbau - Allgemeiner Maschinenbau},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Loseblattausg.},
  year      = {1995},
  language  = {de}
}
@book{KnepperPfeiffer1998,
  author    = {Knepper, Ludger and Pfeiffer, Johann},
  title     = {Diplom-Ingenieur/Diplom-Ingenieurin (Fachhochschule) Maschinenbau Konstruktionstechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Loseblattausg.},
  year      = {1998},
  language  = {de}
}
@book{KnepperPfeiffer1999,
  author    = {Knepper, Ludger and Pfeiffer, Johann},
  title     = {Diplom-Ingenieur / Diplom-Ingenieurin (Fachhochschule) Maschinenbau, Energie- und W{\"a}rmetechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Loseblattausg.},
  year      = {1999},
  language  = {de}
}
@book{Baatz1973,
  author    = {Baatz, Udo},
  title     = {Bildschirmunterst{\"u}tztes Konstruieren},
  publisher = {VDI-Verl.},
  address   = {Duesseldorf},
  isbn      = {3-18-403039-3},
  pages     = {XI, 137 S. : Ill, graph. Darst.},
  year      = {1973},
  language  = {de}
}
@book{Baatz1971,
  author    = {Baatz, Udo},
  title     = {Bildschirmunterst{\"u}tztes Konstruieren : Funktionsfindung, Prinziperarbeitung, Gestaltung und Detaillierung mit Hilfe graphischer Datenverarbeitungsanlagen},
  address   = {Aachen},
  year      = {1971},
  language  = {de}
}
@book{Baatz1981,
  author    = {Baatz, Udo},
  title     = {Diplom-Ingenieur / Diplom-Ingenieurin an Fachhochschulen: Fachrichtung Maschinenbau : Stand: Dezember 1980},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {31 S., Beil.},
  year      = {1981},
  language  = {de}
}