@misc{Heller2009,
  author    = {Klaus Heller},
  title     = {Sprachreport [: Extraausgabe Rechtschreibreform]},
  url       = {http://www.ids-mannheim.de/pub/laufend/sprachreport/reform/reform.html},
  type      = {other},
  year        = {2009},
}