@misc{urd-assurances-sociales-etat-social-et-securite-sociale,
  title   = {{Concetti della siturazza sociale}},
  author  = {},
  year    = {},
  month   = {},
  url     = {https://www.histoiredelasecuritesociale.ch/artikel/uqm-themes/urd-assurances-sociales-etat-social-et-securite-sociale}
}