@book{Gebhardt2007,
  author    = {Gebhardt, Andreas},
  title     = {Generative Fertigungsverfahren - Rapid Prototyping - Rapid Tooling - Rapid Manufacturing, 3. Aufl.},
  edition   = {3},
  publisher = {Hanser},
  address   = {M{\"u}nchen},
  isbn      = {978-3-446-22666-1},
  pages     = {XVI, 499 S. : Ill., graph. Darst.},
  year      = {2007},
  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}
}