@misc{laean2026babcockmatrix,
  author       = {Arny Laean},
  title        = {From Babbage to Babcock: Substrate Inversion and the Hydraulic Matrix Beneath Civilization},
  year         = {2026},
  howpublished = {Substack},
  url          = {https://froginnponds.substack.com/}
}

@misc{cffproject,
  author       = {{Citation File Format Project}},
  title        = {Citation File Format},
  howpublished = {Web page},
  url          = {https://citation-file-format.github.io/}
}

@misc{babcockwilcoxhistory,
  author       = {{Babcock \& Wilcox}},
  title        = {B\&W History of Power Production},
  howpublished = {Web page},
  url          = {https://www.babcock.com/home/about/corporate/history}
}

@misc{waterintegrator,
  author       = {{Wikipedia contributors}},
  title        = {Water integrator},
  howpublished = {Wikipedia},
  url          = {https://en.wikipedia.org/wiki/Water_integrator}
}


@misc{doeDistrictEnergy2021,
  author       = {{U.S. Department of Energy}},
  title        = {District Energy Systems Overview},
  year         = {2021},
  howpublished = {Fact sheet},
  url          = {https://www.energy.gov/sites/default/files/2021/03/f83/District_Energy_Fact_Sheet.pdf}
}

@misc{eiaDistrictEnergy2018,
  author       = {{U.S. Energy Information Administration}},
  title        = {U.S. District Energy Services Market Characterization},
  year         = {2018},
  howpublished = {Web page},
  url          = {https://www.eia.gov/analysis/studies/buildings/districtservices/}
}

@misc{ahaCostsOfCaring2024,
  author       = {{American Hospital Association}},
  title        = {2024 Costs of Caring},
  year         = {2025},
  howpublished = {Report},
  url          = {https://www.aha.org/guidesreports/2025-04-28-2024-costs-caring}
}

@misc{ahaUncompensatedCare2020,
  author       = {{American Hospital Association}},
  title        = {Fact Sheet: Uncompensated Hospital Care Cost},
  year         = {2020},
  howpublished = {Fact sheet},
  url          = {https://www.aha.org/fact-sheets/2020-01-06-fact-sheet-uncompensated-hospital-care-cost}
}