@inbook{34943,
  author       = {{Süßmann, Johannes}},
  booktitle    = {{Fallstudien: Theorie – Geschichte – Methode}},
  editor       = {{Engel, Gisela and Scholz, Susanne and Süßmann, Johannes}},
  isbn         = {{3-89626-684-5}},
  pages        = {{7–27}},
  publisher    = {{trafo}},
  title        = {{{Einleitung. Perspektiven der Fallstudienforschung}}},
  volume       = {{1}},
  year         = {{2007}},
}

@proceedings{34935,
  editor       = {{Engel, Gisela and Scholz, Susanne and Süßmann, Johannes}},
  isbn         = {{3-89626-684-5}},
  pages        = {{273}},
  publisher    = {{trafo}},
  title        = {{{Fallstudien. Theorie – Geschichte – Methode}}},
  volume       = {{1}},
  year         = {{2007}},
}