@misc{union-democratique-du-centre-udc,
  title   = {Union démocratique du centre (UDC)},
  author  = {Stüdli, Beat},
  year    = {2026},
  month   = {jun},
  url     = {https://www.histoiredelasecuritesociale.ch/articles/les-institutions/histoire-de-la-securite-sociale-partis-politiques/union-democratique-du-centre-udc}
}