@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{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{Grap1998,
  author    = {Grap, Rolf Dietmar},
  title     = {Produktion und Beschaffung: eine praxisorientierte Einf{\"u}hung},
  publisher = {Vahlen},
  address   = {M{\"u}nchen},
  isbn      = {3-8006-2321-8},
  pages     = {XVII, 344 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{AltSchumny1982,
  author    = {Alt, Helmut and Schumny, Harald},
  title     = {Programmierung mathematischer Algorithmen (Vieweg-Programmbibliothek Taschenrechner ; 1) / Helmut Alt ; Harald Schumny [Hrsg.]},
  publisher = {Vieweg + Teubner},
  address   = {Wiesbaden},
  isbn      = {3-528-04211-7},
  pages     = {92 S.},
  year      = {1982},
  language  = {de}
}
@book{HavermannSeilerGeorgeetal.2006,
  author    = {Havermann, Marc and Seiler, F. and George, A. and Srulijes, J.},
  title     = {Progress in doppler picture velocimetry (DPV) technique : 12th International Symposium on Flow Visualization, DLR, G{\"o}ttingen, September 10 - 14, 2006 / Institut Franco-Allemand de Recherches de Saint-Louis. Seiler, F. ...},
  publisher = {ISL},
  address   = {Saint-Louis},
  pages     = {10 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {en}
}
@book{FaboEisenbeisHageboelling1991,
  author    = {Fabo, Sabine and Eisenbeis, Manfred and Hageb{\"o}lling, Heide},
  title     = {Projekt f{\"u}r die Gr{\"u}ndung eines Internationalen Zentrums f{\"u}r Kunst und Medien : M{\"o}glichkeitsstudie f{\"u}r die UNESCO},
  publisher = {Kunsthochschule f{\"u}r Medien K{\"o}ln},
  address   = {K{\"o}ln},
  year      = {1991},
  language  = {de}
}
@book{CasseSchlueter2000,
  author    = {Casse-Schl{\"u}ter, Doris},
  title     = {Projekt l'esprit d'Europe : Schlußbericht ; ... Durchf{\"u}hrung des Programms zur F{\"o}rderung anwendungsorientierter Forschung und Entwicklung an Fachhochschulen},
  publisher = {Fachhochschule Aachen, Fachbereich Design},
  address   = {Aachen},
  pages     = {ca. 130 Bl. : zahlr. Ill.},
  year      = {2000},
  language  = {de}
}
@book{Dienst1969,
  author    = {Dienst, Karl-Jakob},
  title     = {Projektiv-metrische Homomorphismen von metrischen Ebenen mit dreiseitverbindbaren Punkten},
  address   = {Darmstadt},
  pages     = {39 S., 8},
  year      = {1969},
  language  = {de}
}
@book{SchuermannWinzen2002,
  author    = {Sch{\"u}rmann, Wilhelm and Winzen, Matthias},
  title     = {Prophets of Boom : aus der Sammlung Sch{\"u}rmann in der Staatliche Kunsthalle Baden-Baden / Konzeption: Wilhelm Sch{\"u}rmann. Hrsg.: Matthias Winzen},
  pages     = {159 S. : zahlr. Ill.},
  year      = {2002},
  language  = {de}
}
@book{JanzEblingGottschalketal.1999,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Licht, Georg},
  title     = {Prospects of the German Economy: Innovation Activities in the Manufacturing Sector. Survey 1998 (English translation) / Janz, N., G. Ebling, S. Gottschalk, G. Licht und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  year      = {1999},
  language  = {en}
}