@book{GauchelPfeiffer2003,
  author    = {Gauchel, Joachim and Pfeiffer, Johann},
  title     = {Kalibrierung Koordinatenmessger{\"a}t},
  address   = {FH Aachen},
  year      = {2003},
  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{Gebhardt2007,
  author    = {Gebhardt, Andreas},
  title     = {Generative Fertigungsverfahren - Rapid Prototyping - Rapid Tooling - Rapid Manufacturing, 3. Aufl.},
  edition   = {3},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-22666-1},
  pages     = {XVI, 499 S. : Ill., graph. Darst.},
  year      = {2007},
  language  = {de}
}
@book{Gebhardt2011,
  author    = {Gebhardt, Andreas},
  title     = {Understanding Additive Manufacturing : Rapid Prototyping - Rapid Tooling - Rapid Manufacturing},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-42552-1},
  pages     = {VIII, 164 S. : farb. Ill.},
  year      = {2011},
  language  = {en}
}
@book{Gebhardt2013,
  author    = {Gebhardt, Andreas},
  title     = {Generative Fertigungsverfahren : Additive Manufacturing und 3D Drucken f{\"u}r Prototyping - Tooling - Produktion},
  edition   = {4., neu bearbeitete und erweiterte Auflage},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-43651-0 ; 978-3-446-43652-7},
  doi       = {10.3139/9783446436527},
  pages     = {XXIV, 637 S. : zahlr. Ill. u. graph. Darst.},
  year      = {2013},
  language  = {de}
}
@book{Gebhardt2014,
  author    = {Gebhardt, Andreas},
  title     = {3D-Drucken : Grundlagen und Anwendungen des Additive Manufacturing (AM)},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-44238-2 ; 978-3-446-44237-5},
  pages     = {XIII, 186 S.},
  year      = {2014},
  language  = {de}
}
@book{Gebhardt2016,
  author    = {Gebhardt, Andreas},
  title     = {Additive Fertigungsverfahren : Additive Manufacturing und 3D-Drucken f{\"u}r Prototyping - Tooling - Produktion},
  edition   = {5. aktualisierte und erweiterte Auflage},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-44401-0 ; 978-3-446-44539-0},
  doi       = {10.3139/9783446445390},
  pages     = {XXIV, 711 S. : zahlr. Ill. u. graph. Darst.},
  year      = {2016},
  language  = {de}
}
@book{GebhardtHoetter2016,
  author    = {Gebhardt, Andreas and H{\"o}tter, Jan-Steffen},
  title     = {Additive manufacturing : 3D printing for prototyping and manufacturing},
  publisher = {Hanser Publishers},
  address   = {Munich},
  isbn      = {978-1-56990-582-1 ; 978-1-56990-583-8},
  pages     = {591 S.},
  year      = {2016},
  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{GebhardtKesslerThurn2016,
  author    = {Gebhardt, Andreas and Kessler, Julia and Thurn, Laura},
  title     = {3D-Drucken: Grundlagen und Anwendungen des additive manufacturing (AM)},
  edition   = {2., neu bearbeitete und erweiterte Auflage},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-44672-4},
  doi       = {10.3139/9783446448452},
  pages     = {XVI, 218 Seiten},
  year      = {2016},
  language  = {de}
}
@book{GebhardtKesslerThurn2019,
  author    = {Gebhardt, Andreas and Kessler, Julia and Thurn, Laura},
  title     = {3D printing : understanding additive manufacturing},
  edition   = {2. Auflage},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-1-56990-702-3},
  pages     = {XVI, 204 Seiten},
  year      = {2019},
  language  = {en}
}
@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{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{GrundmannHallmannSchaefer1983,
  author    = {Grundmann, Reinhard and Hallmann, Willi and Sch{\"a}fer, Horst},
  title     = {Entwicklung eines einfachen Windmessgeraetes fuer Entwicklungslaender},
  publisher = {FIZ Energie, Physik, Mathematik},
  address   = {Eggenstein-Leopoldshafen},
  pages     = {137 S.},
  year      = {1983},
  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}
}
@book{Hanrath1988,
  author    = {Hanrath, Wilhelm},
  title     = {Irreduzible Darstellungen von Raumgruppen},
  address   = {Aachen},
  pages     = {250 S.},
  year      = {1988},
  language  = {de}
}
@book{HeinrichsWeckGillessen1977,
  author    = {Heinrichs, Horst and Weck, H. and Gillessen, R.},
  title     = {Abschlussbericht zum Zeichnungssystem Freedraft zur rechnerunterstuetzten Zeichnungserstellung},
  address   = {Aachen},
  year      = {1977},
  language  = {de}
}
@book{HeinrichsWeckVonderhagen1981,
  author    = {Heinrichs, Horst and Weck, M. and Vonderhagen, H.},
  title     = {CAD-Programmbibliothek f{\"u}r Großrechneranlagen},
  address   = {Aachen},
  year      = {1981},
  language  = {de}
}
@book{Kallweit1994,
  author    = {Kallweit, Stephan},
  title     = {Untersuchungen zur Erstellung wissensbasierter Fehlerdiagnosesysteme f{\"u}r Kreiselpumpen},
  pages     = {271 S. : zahlr. graph. Darst.},
  year      = {1994},
  language  = {de}
}
@book{Klocke1986,
  author    = {Klocke, Martina},
  title     = {Einfluß des Gef{\"u}ges von Edelkorundschleifscheiben auf ihre Werkstoffkennwerte und das Schleifverhalten},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {3446148299},
  pages     = {181 S : graph. Darst.},
  year      = {1986},
  language  = {de}
}
@book{Klocke1992,
  author    = {Klocke, Martina},
  title     = {CIM, Bedeutung f{\"u}r die Weiterbildung in Klein- und Mittelbetrieben : [Bericht {\"u}ber den EUROTECNET-Workshop "CIM - Bedeutung f{\"u}r die Weiterbildung in Klein- und Mittelbetrieben" vom 16. bis 17. Oktober 1991 in Elmshorn (BR Deutschland)] / [Bericht erstattet von Martina Klocke]},
  publisher = {EUROTECNET},
  address   = {Br{\"u}ssel},
  pages     = {64 S.: Ill.},
  year      = {1992},
  language  = {de}
}
@book{Klocke2003,
  author    = {Klocke, Martina},
  title     = {Von der Dampfmaschine zur Brennstoffzelle : 100 Jahre Ingenieurausbildung in Kiel / [Hrsg. Fachhochschule Kiel. Red. Martina Klocke]},
  publisher = {Fachhochschule},
  address   = {Kiel},
  pages     = {77 S.: Ill.},
  year      = {2003},
  language  = {de}
}
@book{Knepper2000,
  author    = {Knepper, Ludger},
  title     = {Staplereinsatzkonzept Rohstofflagerplatz einer Papierfabrik},
  address   = {FH Aachen},
  year      = {2000},
  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{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{Knepper1992,
  author    = {Knepper, Ludger},
  title     = {Das Rolltor : Bauwerk{\"o}ffnungs-Abschl{\"u}sse ; Aufbau, Konstruktion, Hinweise zur Berechnung / von Horst G{\"u}nter Steuff ; unter Mitarb. von Ludger Knepper ; Frieder Thiele},
  publisher = {Werner},
  address   = {D{\"u}sseldorf},
  isbn      = {3-8041-3165-4},
  pages     = {XI, 227 S. : zahlr. graph. Darst.},
  year      = {1992},
  language  = {de}
}
@book{Knepper1978,
  author    = {Knepper, Ludger},
  title     = {Einsatz undAuslegung von Hochlagersystemen fuer Container, dargestellt am Beispiel einer Seehafenumschlaganlage},
  address   = {Aachen},
  year      = {1978},
  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{Mautner2006,
  author    = {Mautner, Karin},
  title     = {Numerical treatment of the Black-Scholes variational inequality in computational finance},
  address   = {Berlin},
  pages     = {XII, 140 S : graph. Darst.},
  year      = {2006},
  language  = {en}
}
@book{Pfeiffer1996,
  author    = {Pfeiffer, Johann},
  title     = {Automatisierung in der Handhabungs- und Montagetechnik},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1996},
  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{Pfeiffer2004,
  author    = {Pfeiffer, Johann},
  title     = {Ein Beitrag zur systematischen Beschreibung der Parameter und deren Einfluss auf die Maßgenauigkeit und Oberfl{\"a}chenqualit{\"a}t bei der Erzeugung und Herstellung von Freiformgeometrien : das System CAD/CAM/CAQ - Generieren, Herstellen, Messen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2004},
  language  = {de}
}
@book{Pfeiffer2003,
  author    = {Pfeiffer, Johann},
  title     = {3D-Freiformfl{\"a}chenmessung},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2003},
  language  = {de}
}
@book{Pfeiffer2000,
  author    = {Pfeiffer, Johann},
  title     = {Genauigkeit und Qualit{\"a}t von Freiformfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2000},
  language  = {de}
}
@book{Pfeiffer1999,
  author    = {Pfeiffer, Johann},
  title     = {Verbesserung der Qualit{\"a}t von Freiformoberfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1999},
  language  = {de}
}
@book{Pfeiffer1997,
  author    = {Pfeiffer, Johann},
  title     = {HSP III Koordinatenmessger{\"a}t},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}
@book{Pfeiffer1997,
  author    = {Pfeiffer, Johann},
  title     = {Design und Herstellen von Werkzeugen mit Freiformfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}
@book{PfeifferGauchel2004,
  author    = {Pfeiffer, Johann and Gauchel, Joachim},
  title     = {Kalibrierung Koordinatenmessger{\"a}t},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {2004},
  language  = {de}
}
@book{PfeifferKnepper1995,
  author    = {Pfeiffer, Johann and Knepper, Ludger},
  title     = {Diplom-Ingenieur/Diplom-Ingenieurin ( Fachhochschule ) Maschinenbau - Allgemeiner Maschinenbau},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Losebl.-Ausg.},
  year      = {1995},
  language  = {de}
}
@book{PfeifferKnepper1998,
  author    = {Pfeiffer, Johann and Knepper, Ludger},
  title     = {Diplom Ingenieur/Diplom Ingenieurin (Fachhochschule) Maschinenbau Konstruktionstechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Losebl.-Ausg.},
  year      = {1998},
  language  = {de}
}
@book{PfeifferKnepper1999,
  author    = {Pfeiffer, Johann and Knepper, Ludger},
  title     = {Diplom-Ingenieur/Diplom-Ingenieurin (Fachhochschule) Maschinenbau Energie- und W{\"a}rmetechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Losebl.-Ausg.},
  year      = {1999},
  language  = {de}
}
@book{Raatschen1986,
  author    = {Raatschen, Hans-J{\"u}rgen},
  title     = {Ein Bicharakteristikenverfahren zur Berechnung von Spannungswellen in krummlinig berandeten Scheiben},
  publisher = {RWTH Aachen},
  address   = {Aachen},
  pages     = {110 S. : Ill., graph. Darst.},
  year      = {1986},
  language  = {de}
}