@misc{vqi-walther-stampfli,
  title   = {{Walther Stampfli}},
  author  = {Leimgruber, Matthieu},
  year    = {2014},
  month   = {jun},
  url     = {https://www.histoiredelasecuritesociale.ch/artikel/nme-les-protagonistes/nij-histoire-de-la-securite-sociale-conseillers-federaux/vqi-walther-stampfli}
}