@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}
}