{
  "id": "UN185",
  "name": "Standard atmosphere",
  "ml_name": "ip_atm_{std}",
  "symbol": "atm",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#A"
}