@incollection{Klawitter1990,
  author    = {Klawitter, J{\"o}rg},
  title     = {Umwelt, Umweltschutz, Umweltpolitik},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-44329},
  publisher      = {Universit{\"a}t W{\"u}rzburg},
  year      = {1990},
  abstract  = {No abstract available},
  subject      = {Umwelterziehung},
  language  = {de}
}