@article{DuesterhoeftFrank2011,
  author    = {Stefanie D{\"u}sterh{\"o}ft and Ulrike Frank},
  title     = {Das PNF-Konzept},
  journal   = {Spektrum Patholinguistik},
  series    = {Anwendung in der orofacialen Therapie},
  number    = {4},
  pages     = {171 -- 183},
  year      = {2011},
}