@article{Maurer2010,
  author    = {Kathrin Maurer},
  title     = {Communication and language in Niklas Luhmann's systems theory},
  journal   = {Pandaemonium Germanicum : revista de estudos german{\´i}sticos},
  volume    = {16},
  pages     = {1 -- 21},
  url       = {http://www.scielo.br/scielo.php?script=sci_arttext\&pid=S1982-88372010000200002\&lng=pt\&nrm=iso\&tlng=en},
  year      = {2010},
}