@book{Kuenzler1989,
  author    = {K{\"u}nzler, Jan},
  title     = {Medien und Gesellschaft : Die Medienkonzepte von Talcott Parsons, J{\"u}rgen Habermas und Niklas Luhmann},
  isbn      = {3-432-98101-5},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-50760},
  publisher      = {Universit{\"a}t W{\"u}rzburg},
  year      = {1989},
  abstract  = {No abstract available},
  subject      = {Luhmann},
  language  = {de}
}