@book{AppelfellerBuchholz2005,
  author    = {Wieland Appelfeller and Wolfgang Buchholz},
  title     = {Supplier-Relationship-Management},
  edition   = {1. Aufl.},
  series    = {Strategie, Organisation und IT des modernen Beschaffungsmanagements},
  isbn      = {3-409-12687-2},
  year      = {2005},
}