@incollection{Heussner2011,
  author    = {Hermann K. Heu{\"s}ner},
  title     = {Direkte Demokratie in den US-Gliedstaaten im Jahr 2009 : ein {\"U}berblick},
  series = {Jahrbuch f{\"u}r direkte Demokratie 2010},
  publisher = {Nomos},
  address   = {Baden-Baden},
  doi       = {10.5771/9783845231358-159},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:959-opus-19953},
  pages     = {159 -- 168},
  year      = {2011},
  language  = {de}
}