@misc{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},
  author  = {Lengwiler, Martin},
  year    = {2015},
  month   = {jun},
  url     = {https://www.historyofsocialsecurity.ch/articles/topics/financing-models-and-calculation-methods/calculated-solidarity-the-debate-on-the-basis-of-calculation-for-assistance-funds-and-social-insurance-before-1900}
}