@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{Knepper2000,
  author    = {Knepper, Ludger},
  title     = {Konzeptentwicklung verkehrstechnische Organisation des Pfortenbereichs eines Industrieunternehmens},
  address   = {FH Aachen},
  year      = {2000},
  language  = {de}
}
@book{Knepper2001,
  author    = {Knepper, Ludger},
  title     = {Entwicklung neuer Generalbebauungsplan f{\"u}r ein Industrieunternehmen},
  address   = {FH Aachen},
  year      = {2001},
  language  = {de}
}
@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{Knepper2000,
  author    = {Knepper, Ludger},
  title     = {Staplereinsatzkonzept Rohstofflagerplatz einer Papierfabrik},
  address   = {FH Aachen},
  year      = {2000},
  language  = {de}
}
@book{GrundmannBommesFricke2003,
  author    = {Grundmann, Reinhard and Bommes, Leonard and Fricke, J{\"u}rgen},
  title     = {Ventilatoren},
  publisher = {Vulkan-Verlag},
  address   = {Essen},
  isbn      = {3-8027-3200-6},
  year      = {2003},
  language  = {de}
}
@book{GrundmannSchoenholtz1999,
  author    = {Grundmann, Reinhard and Sch{\"o}nholtz, Friedrich},
  title     = {„Ventilatoren-Fibel" der Firma Babcock-BSH},
  publisher = {Promotor-Verlag},
  address   = {Karlsruhe},
  year      = {1999},
  language  = {de}
}