@article{OswaldKrappmann1995,
  author    = {Oswald, Hans and Krappmann, Lothar},
  title     = {Unsichtbar durch Sichtbarkeit : der teilnehmende Beobachter im Klassenzimmer},
  year      = {1995},
  language  = {de}
}
@article{OswaldKrappmann1995,
  author    = {Oswald, Hans and Krappmann, Lothar},
  title     = {Social life of children in a former bipartite city},
  year      = {1995},
  language  = {en}
}
@book{KrappmannOswald1995,
  author    = {Krappmann, Lothar and Oswald, Hans},
  title     = {Alltag der Schulkinder : Beobachtungen und Analysen von Interaktionen und Sozialbeziehungen},
  series = {Kindheiten},
  volume    = {5},
  journal   = {Kindheiten},
  publisher = {Juventa},
  address   = {Weinheim ; M{\"u}nchen},
  pages     = {224 S.},
  year      = {1995},
  language  = {de}
}