@unpublished{BurkhardtDittrichKoehler,
  author    = {Burkhardt, Achim and Dittrich, Ingo and K{\"o}hler, Robert},
  title     = {Integration als Erfolgsfaktor von Multi-Channel-Systemen im Handel},
  series = {Zeitschrift},
  volume    = {horizonte},
  number    = {50},
  issn      = {1432-9174},
  pages     = {32 -- 35},
  language  = {de}
}