@book{HartwigHensen2003,
  author    = {Hartwig, Luise and Hensen, Gregor},
  title     = {Sexueller Missbrauch und Jugendhilfe},
  edition   = {1. Aufl.},
  publisher = {Juventa-Verl.},
  address   = {Weinheim [u.a.]},
  isbn      = {3-7799-0735-6},
  pages     = {168 S. : graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{HansbauerHensenMuelleretal.2009,
  author    = {Hansbauer, Peter and Hensen, Gregor and M{\"u}ller, Katja and von Spiegel, Hiltrud},
  title     = {Familiengruppenkonferenz. Eine Einf{\"u}hrung},
  publisher = {Juventa},
  address   = {Weinheim \& M{\"u}nchen},
  isbn      = {3-7799-1953},
  pages     = {240 S},
  year      = {2009},
  language  = {de}
}