@misc{bpm-calculated-solidarity-the-debate-on-the-basis-of-calculation-for-assistance-funds-and-social-insurance-before-1900,
  title   = {{Calculated Solidarity: The Debate on the Basis of Calculation for Assistance Funds and Social Insurance Before 1900}},
  author  = {},
  year    = {},
  month   = {},
  url     = {https://www.historyofsocialsecurity.ch/articles/nqg-topics/bpm-calculated-solidarity-the-debate-on-the-basis-of-calculation-for-assistance-funds-and-social-insurance-before-1900}
}