@phdthesis{Ratajczak,
  type      = {Bachelor Thesis},
  author    = {Jonas Ratajczak},
  title     = {Customer Relationship Management bei Anbietern von professionellem Zuschauersport},
  url       = {http://nbn-resolving.de/urn:nbn:de:gbv:916-opus4-3571},
  pages     = {88},
  abstract  = {kein Abstract vorhanden},
  language  = {de}
}