@book{RitzBenzStender2003,
  author    = {Ritz, Thomas and Benz, Axel and Stender, Michael},
  title     = {Marktstudie mobile CRM-Systeme},
  publisher = {Fraunhofer-IRB-Verl.},
  address   = {Stuttgart},
  isbn      = {3-8167-6361-8},
  pages     = {244 S. : Ill., graph. Darst.},
  year      = {2003},
  language  = {en}
}
@book{Huening2001,
  author    = {H{\"u}ning, Felix},
  title     = {Magnetische Eigenschaften niederdimensionaler Chrom-, Ruthenium- und Niobhalogenide},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-8551-8},
  pages     = {II, 122 S Ill., graph. Darst.},
  year      = {2001},
  language  = {en}
}
@book{SchubaSchubaReichletal.1998,
  author    = {Schuba, Marko and Schuba, Marko and Reichl, Peter and Schneider, Gaby},
  title     = {Lokale Netze - Skript zur Vorlesung an der RWTH Aachen / Spaniol, Otto,},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-86073-721-X},
  pages     = {138 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{MaiSchumnyAlt1984,
  author    = {Mai, Herbert and Schumny, Harald and Alt, Helmut},
  title     = {Lineares Optimieren : Maximierung - Minimierung (Vieweg Programmbibliothek Mikrocomputer ; 14) / Helmut Alt ; Harald Schumny [Hrsg.]},
  publisher = {Vieweg + Teubner},
  address   = {Wiesbaden},
  isbn      = {978-3-663-14049-8 ; 978-3-528-04312-4},
  pages     = {VIII, 100 S.},
  year      = {1984},
  language  = {de}
}
@book{Krause1991,
  author    = {Krause, Gregor},
  title     = {Leitungsmechanismen und Raumladungsph{\"a}nomene in Polyolefinen bei Hochfeldbeanspruchung},
  publisher = {Verl. d. Augustinus-Buchh.},
  address   = {Aachen},
  isbn      = {3-925038-97-3},
  pages     = {137 S. : graph. Darst.},
  year      = {1991},
  language  = {de}
}
@book{Mayer2001,
  author    = {Mayer, Claudia},
  title     = {Kunst : von der Steinzeit bis zur Moderne / [Text: Claudia Mayer-Iswandy]},
  publisher = {DuMont},
  address   = {K{\"o}ln},
  isbn      = {3-7701-8624-9},
  pages     = {[19] S. : zahlr. Ill. + Beil. (20 S.)},
  year      = {2001},
  language  = {de}
}
@book{AltensenAltSchumny1983,
  author    = {Altensen, Frank and Alt, Helmut and Schumny, Harald},
  title     = {Kryptologie (HP-41 C/CV) : Chiffrierung, Textverschl{\"u}sselung, Datenschutz, Morsealphabet (Vieweg-Programmbibliothek Taschenrechner ; 7) / Helmut Alt ; Harald Schumny [Hrsg.]},
  publisher = {Vieweg + Teubner},
  address   = {Wiesbaden},
  isbn      = {3-528-04256-7},
  pages     = {V, 92 S.},
  year      = {1983},
  language  = {de}
}
@book{HeuermannSimonIbrahim2010,
  author    = {Heuermann, Holger and Simon, Sven and Ibrahim, Irfan},
  title     = {Konzeption und Realisierung eines spektralreinen vektoriellen Transmitters mit CMOS-Sigma-Delta-Synthesizern im 1-5 GHz-Bereich / Antragsteller: Fachhochschule Aachen ... Teilprojektleitung: Heuermann},
  publisher = {Fachhochschule},
  address   = {Aachen},
  pages     = {156 S. : Ill., graph. Darst.},
  year      = {2010},
  language  = {de}
}
@book{Benkner1996,
  author    = {Benkner, Thorsten},
  title     = {Kapazit{\"a}tssteigernde Maßnahmen f{\"u}r digitale Mobilfunksysteme der dritten Generation},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-1682-6},
  pages     = {VII, 170 S. : graph. Darst.},
  year      = {1996},
  language  = {de}
}
@book{WolfFoltzKillich2000,
  author    = {Wolf, Martin and Foltz, Christian and Killich, S.},
  title     = {K3 User Guide},
  publisher = {RWTH},
  address   = {Aachen},
  pages     = {1 -- 13},
  year      = {2000},
  language  = {en}
}