{
  "id": "UN227",
  "name": "lumen per square foot",
  "ml_name": "ip_lm.ft-2",
  "symbol": "lm.ft-2",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#L"
}