@article{KrausRaunerSchwarz2010,
  author    = {Kraus, Markus and Rauner, Marion and Schwarz, Sigrun},
  title     = {Hospital management games: a taxonomy and extensive review},
  series = {Central European Journal of Operations Research},
  volume    = {18},
  journal   = {Central European Journal of Operations Research},
  number    = {4},
  pages     = {567 -- 591},
  year      = {2010},
  language  = {en}
}
@article{RaunerKrausSchwarz2008,
  author    = {Rauner, Marion and Kraus, Markus and Schwarz, Sigrun},
  title     = {Competition under different reimbursement systems: The concept of an internet-based hospital management game},
  series = {European Journal of Operational Research},
  volume    = {185},
  journal   = {European Journal of Operational Research},
  number    = {3},
  pages     = {948 -- 963},
  year      = {2008},
  language  = {en}
}
@article{OstermannSchwarz2007,
  author    = {Ostermann, R{\"u}diger and Schwarz, Sigrun},
  title     = {Pflegekennzahlen und Statistik - eine Symbiose f{\"u}r gutes Controlling},
  series = {PrInternet},
  volume    = {7},
  journal   = {PrInternet},
  pages     = {481 -- 486},
  year      = {2007},
  language  = {de}
}