{
  "id": "UN1109",
  "name": "langley (cal_{th}.cm-2)",
  "ml_name": "ip_langley",
  "symbol": "langley",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#L"
}