@book{GartzenHeilMang1998,
  author    = {Gartzen, Johannes and Heil, G{\"u}nter and Mang, Thomas},
  title     = {Verfahren zur Aufbereitung eines Gemisches aus Zellulose und granuliertem Polymer / Patentschrift DE 4133699 C2},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1998},
  language  = {de}
}
@book{GartzenHeilMang1993,
  author    = {Gartzen, Johannes and Heil, G{\"u}nter and Mang, Thomas},
  title     = {Verfahren zum Behandeln von miteinander mittels Haftvermittler verbundene Materialien / Offenlegungsschrift DE 4127705 A1 ; Offenlegungstag 25.02.1993 / Anmelder: Schering AG},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1993},
  language  = {de}
}
@book{GartzenHeilMang1992,
  author    = {Gartzen, Johannes and Heil, G{\"u}nter and Mang, Thomas},
  title     = {Verfahren und Vorrichtung zur Isolierung von polymeren Werkstoffen und Metallen aus Verbundwerkstoffen / Offenlegungsschrift DE 4037523 A1 ; Offenlegungstag 27.05.1992},
  publisher = {Deutsches Patentamt},
  address   = {M{\"u}nchen},
  pages     = {4 S.},
  year      = {1992},
  language  = {de}
}
@book{Gauchel1999,
  author    = {Gauchel, Joachim},
  title     = {Verbesserung der Qualit{\"a}t von Freiformoberfl{\"a}chen},
  address   = {FH Aachen},
  year      = {1999},
  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{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{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{Willms1987,
  author    = {Willms, Herbert},
  title     = {Untersuchung der Wechselwirkung zwischen Str{\"o}mungsfeld und Reaktionsfront beim deflagrativen Abbrand von Kohlenwasserstoff-Luft-Gemischwolken},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-142719-5},
  pages     = {VII, 168 S. : Ill., graph. Darst.},
  year      = {1987},
  language  = {de}
}
@book{BaatzSanderLanghoff1996,
  author    = {Baatz, Udo and Sander, Ralf and Langhoff, R.},
  title     = {Studienf{\"u}hrer f{\"u}r der Fachbereich 8 Maschinenbau FH Aachen},
  publisher = {Stercken-Verl.},
  address   = {Aachen},
  year      = {1996},
  language  = {de}
}
@book{Knepper2000,
  author    = {Knepper, Ludger},
  title     = {Staplereinsatzkonzept Rohstofflagerplatz einer Papierfabrik},
  address   = {FH Aachen},
  year      = {2000},
  language  = {de}
}
@book{Thomas2010,
  author    = {Thomas, Axel},
  title     = {Rhetorische Knallfr{\"o}sche : Zitatensammlung f{\"u}r Politik und Wirtschaft},
  publisher = {Neck + Heyn},
  address   = {Aachen},
  isbn      = {978-3-00-033037-7},
  pages     = {145 S. : Ill.},
  year      = {2010},
  language  = {de}
}
@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{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}
}
@book{EngelnMuellges2004,
  author    = {Engeln-M{\"u}llges, Gisela},
  title     = {Numerische Mathematik und Statistik : NUMAS ; multimediales Lehr- und Lernsystem zur Numerischen Mathematik und Statistik ; Abschlussbericht ; Gemeinschaftsprojekt},
  publisher = {Projektb{\"u}ro NUMAS, FH [u.a.]},
  address   = {Aachen},
  year      = {2004},
  language  = {de}
}