@book{HartwigKanzSchoneetal.2010,
  author    = {Hartwig, Luise and Kanz, Christine and Schone, Reinhold and Wutzke, Stefan},
  title     = {Gruppenp{\"a}dagogik in der Heimerziehung},
  publisher = {Eigenverlag der IGfH},
  address   = {Frankfurt},
  year      = {2010},
  language  = {de}
}