@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}
}
@book{HoepnerJanzSiersetal.2008,
  author    = {Hoepner, Gert and Janz, Norbert and Siers, Carsten and Honert, Matthias},
  title     = {Zukunfts- und Benchmarkstudie Vertriebsnavigator / durchgef{\"u}hrt von der Fachhochschule Aachen und Axantos sales consultancy GmbH},
  publisher = {Axantos sales consultancy GmbH},
  address   = {D{\"u}sseldorf},
  pages     = {28 Bl. : graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{HoepnerJanzSiersetal.2008,
  author    = {Hoepner, Gert and Janz, Norbert and Siers, Carsten and Honert, Matthias},
  title     = {Zukunftsstudie Vertriebsnavigator / durchgef{\"u}hrt von der Fachhochschule Aachen und Axantos sales consultancy GmbH},
  publisher = {Axantos sales consultancy GmbH},
  address   = {D{\"u}sseldorf},
  pages     = {25 Bl. : graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{Tietze2008,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"U}bungsbuch zur Finanzmathematik. 5., aktualisierte Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {978-3-8348-0442-6},
  pages     = {XII, 410 S. : graph. Darst.},
  year      = {2008},
  language  = {de}
}