@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}
}
@misc{LauthHagemeyerLautensacketal.1999,
  author    = {Lauth, Jakob and Hagemeyer, Alfred and Lautensack, Thomas and Deimling, Axel},
  title     = {Catalyst and catalytic oxidative dehydrogenation of alkylaromatics and paraffins : United States Patent ; patent number 5,902,918 ; date of patent: May 11, 1999 / Assignee: BASF Aktiengesellschaft. Inventors: Alfred Hagemeyer ; Gunter Lauth ; Thomas Lautensack ; Axel Deimling},
  publisher = {United States Trademark and Patent Office},
  address   = {[Alexandria, VA]},
  pages     = {6 S.},
  year      = {1999},
  language  = {en}
}