@book{FegervonHecker1999,
  author    = {Hubert Feger and Ulrich von Hecker},
  title     = {Ein{\"u}bung in Sozialpsychologie : Bd. 1 Die intraindividuellle Perspektive},
  volume    = {1},
  isbn      = {3-933151-85-6},
  year      = {1999},
}