@article{SchultheissBrunstein1997,
  author    = {Schultheiss, Oliver and Brunstein, Joachim Clemens},
  title     = {Motivation},
  year      = {1997},
  language  = {de}
}
@article{BrunsteinMaierSchultheiss1999,
  author    = {Brunstein, Joachim Clemens and Maier, G{\"u}nter and Schultheiss, Oliver},
  title     = {Motivation und Pers{\"o}nlichkeit : von der Analyse von Teilsystemen zur Analyse ihrer Interaktionen},
  isbn      = {3-8017-0929-9},
  year      = {1999},
  language  = {de}
}