@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 1 : Grundlagen. -2. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-861-6},
  pages     = {183 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 1 : Grundlagen. -4. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-861-6},
  pages     = {183 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 2 : Leichtmetalle und St{\"a}hle},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-862-4},
  pages     = {194 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 2 : Leichtmetalle und St{\"a}hle. - 2. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-862-4},
  pages     = {194 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 3: HT-Superlegierungen},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-863-2},
  pages     = {191 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 3: HT-Superlegierungen. -2. Auflage},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-863-2},
  pages     = {191 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 4 : Sonderwerkstoffe. -2. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-864-6},
  pages     = {148 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 4 : Sonderwerkstoffe. -4. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-864-6},
  pages     = {148 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Wosnitza1987,
  author    = {Wosnitza, Franz},
  title     = {Werkzeuge des MIMOLA-Hardware-Entwurfssystems. / Kelle, K. ; Kr{\"u}ger, G. ; Marwedel, P. ; Nowak, L. ; Terasa, L. ; Wosnitza, F.},
  publisher = {Inst., Univ.},
  address   = {Kiel},
  pages     = {187 S.},
  year      = {1987},
  language  = {de}
}
@book{JanzGoedhuysMohnen2006,
  author    = {Janz, Norbert and Goedhuys, Micheline and Mohnen, Pierre},
  title     = {What drives productivity in Tanzanian manufacturing firms: technology or institutions? / Goedhuys, Micheline ; Janz, Norbert ; Mohnen, Pierre},
  publisher = {UnU-MERIT},
  address   = {Maastricht},
  pages     = {22 S.},
  year      = {2006},
  language  = {en}
}
@book{SchuermannHonnef1979,
  author    = {Sch{\"u}rmann, Wilhelm and Honnef, Klaus},
  title     = {Wilhelm Sch{\"u}rmann - Fotografien / Text: Klaus Honnef},
  publisher = {Rheinland-Verl.},
  address   = {K{\"o}ln},
  isbn      = {3-7927-0485-4},
  pages     = {XXIII, 81 S. : {\"u}berw. Ill.},
  year      = {1979},
  language  = {de}
}
@book{Gerhardt1999,
  author    = {Gerhardt, Hans Joachim},
  title     = {Windeinwirkung auf Bedachungssysteme},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-4799-3},
  pages     = {IV, 126 S. : Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@book{GerhardtKramer1983,
  author    = {Gerhardt, Hans Joachim and Kramer, Carl},
  title     = {Windlasten auf nach innen geneigten Dachfl{\"a}chen},
  publisher = {IRB-Verl.},
  address   = {Stuttgart},
  pages     = {17, [11] Bl. : graph. Darst.},
  year      = {1983},
  language  = {de}
}
@book{Gerhardt2005,
  author    = {Gerhardt, Hans Joachim},
  title     = {Windsch{\"a}den : mit 6 Tabellen. - (Schadenfreies Bauen ; 37)},
  publisher = {Fraunhofer-IRB-Verl.},
  address   = {Stuttgart},
  isbn      = {3-8167-6670-6},
  pages     = {129 S. : zahlr. Ill., graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{Benkner1998,
  author    = {Benkner, Thorsten},
  title     = {Wireless ATM Access and Advanced Software Techniques for Mobile Network Architektures. Deliverable 1: Service requirements, state of the art and guidelines for the development for future radio and mobile networks.},
  year      = {1998},
  language  = {en}
}
@book{Wollert2009,
  author    = {Wollert, J{\"o}rg},
  title     = {Wireless Technologies : 11. Kongress, 29.-30. September 2009, Stuttgart : von der Technologie zur Anwendung / J{\"o}rg F. Wollert, (Hrsg.) (Fortschritt-Berichte VDI : Reihe 10, Informatik, Kommunikation ; 800)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-18-380010-0},
  pages     = {VIII, 324 S.},
  year      = {2009},
  language  = {de}
}
@book{Wollert2010,
  author    = {Wollert, J{\"o}rg},
  title     = {Wireless Technologies : 12. Kongress, 22. - 23. September 2010, Bochum ; von der Technologie zur Anwendung / J{\"o}rg F. Wollert (Hrsg.) (Fortschritt-Berichte VDI : Reihe 10, Informatik, Kommunikation ; 810)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-18-381010-9},
  pages     = {XI, 373 S.},
  year      = {2010},
  language  = {de}
}
@book{Wollert2006,
  author    = {Wollert, J{\"o}rg},
  title     = {Wireless Technologies : 8. Kongress, 27. - 28. September 2006, Dortmund : von der Technologie zur Anwendung / J{\"o}rg Wollert (Hrsg.) (Fortschritt-Berichte VDI : Reihe 10, Informatik, Kommunikation ; 772)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-377210-8},
  pages     = {VIII, 324 S.},
  year      = {2006},
  language  = {de}
}
@book{Wollert2007,
  author    = {Wollert, J{\"o}rg},
  title     = {Wireless-Technologies-Kongress 2007 : von der Technologie zur Anwendung ; [wireless technologies, 9. Kongress, 18. - 19. September 2007, Stuttgart] / Hrsg. J{\"o}rg F. Wollert},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  organization    = {Wireless-Technologies-Kongress <9, 2007, Stuttgart>},
  isbn      = {978-3-89838-084-3},
  pages     = {VIII, 308 S.},
  year      = {2007},
  language  = {de}
}
@book{Wollert2008,
  author    = {Wollert, J{\"o}rg},
  title     = {Wireless-Technologies-Kongress 2008 : von der Technologie zur Anwendung ; [wireless technologies, 10. Kongress, 23. - 24. September 2008, Bochum] / Hrsg. J{\"o}rg F. Wollert},
  publisher = {AKA},
  address   = {Heidelberg},
  organization    = {Wireless-Technologies-Kongress <10, 2008, Bochum>},
  isbn      = {978-3-89838-608-1},
  pages     = {IX, 351 S.},
  year      = {2008},
  language  = {de}
}