@inproceedings{BurghardtZ{\"u}lch2007,
  author    = {Burghardt, Stephan and Z{\"u}lch, Henning},
  title     = {Die Bewertung von Marken und Kundenst{\"a}mmen: Grundlagen und Herausforderungen},
  institution = {Chair of Accounting and Auditing},
  year      = {2007},
  language  = {de}
}