@book{KaufmannBuechiBraun2009,
  author    = {Bruno Kaufmann and Rolf B{\"u}chi and Nadja Braun},
  title     = {Handbuch zur direkten Demokratie in der Schweiz und weltweit},
  publisher = {IRI Europe},
  address   = {Marburg},
  isbn      = {978-3-940716-01-9},
  pages     = {272},
  year      = {2009},
  abstract  = {.},
  language  = {de}
}