@article{Gebhardt1998,
  author    = {Gebhardt, Andreas},
  title     = {Rapid Tooling. Der schnelle Weg zum Spritzgießwerkzeug.},
  series = {Kunststoffe, M{\"u}nchen. 88 (1998), H. 11},
  journal   = {Kunststoffe, M{\"u}nchen. 88 (1998), H. 11},
  isbn      = {0023-5563},
  pages     = {1992 -- 2000},
  year      = {1998},
  language  = {de}
}
@article{Gebhardt2001,
  author    = {Gebhardt, Andreas},
  title     = {Entwicklungstendenzen und neue Systeme im Rapid Prototyping},
  series = {Industrie Management. 17 (2001), H. 3},
  journal   = {Industrie Management. 17 (2001), H. 3},
  isbn      = {1434-1980},
  pages     = {42 -- 46},
  year      = {2001},
  language  = {de}
}
@article{GartzenHeil1993,
  author    = {Gartzen, Johannes and Heil, G.},
  title     = {Verwertung von Verbundfolien-Materialien},
  series = {Spektrum der Wissenschaft (1993)},
  journal   = {Spektrum der Wissenschaft (1993)},
  isbn      = {0170-2971},
  pages     = {114 -- 116},
  year      = {1993},
  language  = {de}
}
@article{Gebhardt1999,
  author    = {Gebhardt, Andreas},
  title     = {Schnell und flexibel zur Kleinserie. Effizienzsteigerung bei der Realisierung von Komponenten und Teilsystemen},
  series = {Ingenieur-Werkstoffe. 8 (1999), H. 3},
  journal   = {Ingenieur-Werkstoffe. 8 (1999), H. 3},
  isbn      = {0935-5715},
  pages     = {8 -- 14},
  year      = {1999},
  language  = {de}
}
@article{GartzenLingensSchoenbohmetal.1993,
  author    = {Gartzen, Johannes and Lingens, Hans and Sch{\"o}nbohm, J. and Baumjohann, F. and Gebhardt, Andreas},
  title     = {Laserh{\"a}rten - im Verbund m{\"o}glich. Forschungsverbund Lasertechnik NRW auf der Suche nach neuen Laseranwendungen},
  series = {Technica, Rupperswil. 42 (1993), H. 24},
  journal   = {Technica, Rupperswil. 42 (1993), H. 24},
  isbn      = {0040-866X},
  pages     = {14 -- 18},
  year      = {1993},
  language  = {de}
}
@article{GartzenGebhardtAngeretal.1994,
  author    = {Gartzen, Johannes and Gebhardt, Andreas and Anger, A. and Petschke, U. and Lingens, Hans},
  title     = {Laserstrahlschweißen mit Schweißdraht von W{\"a}rmetauschern mit hohem Wirkungsgrad},
  series = {Proceedings : Aachen, Germany, 31st October - 4th November, 1994 / 27th ISATA},
  journal   = {Proceedings : Aachen, Germany, 31st October - 4th November, 1994 / 27th ISATA},
  publisher = {Automotive Automation},
  address   = {Croydon},
  isbn      = {0-947719-64-4},
  pages     = {397 -- 403},
  year      = {1994},
  language  = {de}
}
@book{EngelnMuellgesZimmermann1992,
  author    = {Engeln-M{\"u}llges, Gisela and Zimmermann, Hans-J{\"u}rgen},
  title     = {Methoden und Modelle des Operations Research : f{\"u}r Ingenieure, {\"O}konomen und Informatiker / Hans-J{\"u}rgen Zimmermann. [Hrsg. von Gisela Engeln-M{\"u}llges] - 2., {\"u}berarb. Aufl.},
  publisher = {Vieweg},
  address   = {Braunschweig ; Wiesbaden},
  isbn      = {3-528-18917-7},
  pages     = {XVI, 385 S. : graph. Darst. ; 23 cm},
  year      = {1992},
  language  = {de}
}
@book{EngelnMuellgesReutter1991,
  author    = {Engeln-M{\"u}llges, Gisela and Reutter, Fritz},
  title     = {Formelsammlung zur numerischen Mathematik mit Quick-BASIC-Programmen. Anh. Quick-BASIC-Programme / von J{\"u}rgen Dietel ... / von Gisela Engeln-M{\"u}llges und Fritz Reutter},
  publisher = {BI-Wiss.-Verl.},
  address   = {Mannheim, Wien , Z{\"u}rich},
  isbn      = {3-411-14312-6},
  pages     = {XXIV, 1006 S., 24 cm},
  year      = {1991},
  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}
}
@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}
}