@misc{vik-walther-stampfli,
  title   = {{Walther Stampfli}},
  author  = {Leimgruber, Matthieu},
  year    = {2014},
  month   = {jun},
  url     = {https://www.storiadellasicurezzasociale.ch/artikel/sdh-protagoniste-e-protagonisti/ymc-storia-della-sicurezza-sociale-consiglieri-federali/vik-walther-stampfli}
}