@book{OstermannWolfOstermann2005,
  author    = {Ostermann, R. and Wolf-Ostermann, K.},
  title     = {Statistik in Sozialer Arbeit und Pflege},
  edition   = {3. Auflage},
  publisher = {Oldenbourg},
  address   = {M{\"u}nchen},
  year      = {2005},
  language  = {de}
}
@article{SchwermannOstermann2013,
  author    = {Schwermann, M. and Ostermann, R.},
  title     = {Ein reflective practitioner in einem multidisziplin{\"a}ren Team},
  series = {Pflegezeitschrift},
  volume    = {66},
  journal   = {Pflegezeitschrift},
  number    = {5},
  pages     = {274 -- 277},
  year      = {2013},
  language  = {de}
}