@book{Thomas2012,
  author    = {Thomas, Axel},
  title     = {Rhetorische Knallfr{\"o}sche - reloaded : Zitatensammlung f{\"u}r Politik und Wirtschaft},
  publisher = {Neck + Heyn},
  address   = {Aachen},
  pages     = {201 S. : Ill.},
  year      = {2012},
  language  = {de}
}
@book{WillmsBeer1993,
  author    = {Willms, Herbert and Beer, Stefan},
  title     = {Regelung eines H2/O2-Dampferzeugers},
  publisher = {DLR, Zentrale Allgemeine Dienste, Versand},
  address   = {K{\"o}ln},
  pages     = {116 S. : graph. Darst.},
  year      = {1993},
  language  = {de}
}
@book{Pfeiffer1994,
  author    = {Pfeiffer, Johann},
  title     = {Rechnergest{\"u}tzte Auslegung von Seiltrieben - Praxisimplementierung},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1994},
  language  = {de}
}
@book{Pfeiffer1993,
  author    = {Pfeiffer, Johann},
  title     = {Rechnergest{\"u}tzte Auslegung von Seiltrieben},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1993},
  language  = {de}
}
@book{Gebhardt2000,
  author    = {Gebhardt, Andreas},
  title     = {Rapid prototyping : Werkzeug f{\"u}r die schnelle Produktentstehung. - 2., v{\"o}llig {\"u}berarb. Aufl.},
  publisher = {Hanser},
  address   = {M{\"u}nchen [u.a.]},
  isbn      = {3-446-21242-6},
  pages     = {XVII, 409 S. : Ill., graph. Darst.},
  year      = {2000},
  language  = {en}
}
@book{Gebhardt2003,
  author    = {Gebhardt, Andreas},
  title     = {Rapid Prototyping},
  publisher = {Hanser},
  address   = {Munich [u.a.]},
  isbn      = {3-446-21259-0},
  pages     = {XV, 379 S. : Ill., graph. Darst.},
  year      = {2003},
  language  = {en}
}
@book{GebhardtKesslerSchwarz2019,
  author    = {Gebhardt, Andreas and Kessler, Julia and Schwarz, Alexander},
  title     = {Produktgestaltung f{\"u}r die additive Fertigung},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-45285-5},
  pages     = {XVI, 266 Seiten : Illustrationen, Diagramme},
  year      = {2019},
  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{Grundmann2002,
  author    = {Grundmann, Reinhard},
  title     = {Praxishandbuch Thermoprozess-Technik : 1. Grundlagen - Verfahren / Carl Kramer ... (Hrsg.)},
  publisher = {Vulkan-Verl.},
  address   = {Essen},
  isbn      = {3-8027-2922-6},
  pages     = {XVII, 592 S. : Ill., graph. Darst.},
  year      = {2002},
  language  = {de}
}
@book{Baatz1985,
  author    = {Baatz, Udo},
  title     = {Nutzwertanalyse von CAD - Systemen der unteren und mittleren Preisklasse f{\"u}r dem Maschinenbau},
  address   = {M{\"u}lheim a.d. Ruhr},
  year      = {1985},
  language  = {de}
}