@misc{pxy-johann-jakob-kummer,
  title   = {{Johann Jakob Kummer}},
  author  = {Lengwiler, Martin},
  year    = {2014},
  month   = {jun},
  url     = {https://www.histoiredelasecuritesociale.ch/artikel/nme-les-protagonistes/cui-histoire-de-la-securite-sociale-dirigeants-de-ladministration/pxy-johann-jakob-kummer}
}