@article{Ritz2005,
  author    = {Thomas Ritz},
  title     = {Mass Customized Production of Information Services - The combination of economies-of-scale with economies-of-scope},
  journal   = {Media firms : structures, operations, and performance ; [World Media Economics Conference, 5th : 2002 : Turku, Finland] / ed. by Robert G. Picard},
  year      = {2005},
}