@misc{yws-auf-dem-weg-zur-existenzsicherung-in-der-altersvorsorge,
  title   = {{Progress Towards Securing Subsistence Levels in Old Age Provision}},
  author  = {},
  year    = {},
  month   = {},
  url     = {https://www.historyofsocialsecurity.ch/zeitstrahl/cww-expansion-and-consolidation-of-the-welfare-state/yws-auf-dem-weg-zur-existenzsicherung-in-der-altersvorsorge}
}