@misc{pensioners,
  title   = {Pensioners},
  author  = {Leimgruber, Matthieu and Blatter, Bettina and Hartmann, Lukas},
  year    = {2024},
  month   = {jun},
  url     = {https://www.historyofsocialsecurity.ch/articles/stakeholders/history-of-social-security-profiles-of-the-afflicted-groups/pensioners}
}