{
  "id": "UN969",
  "name": "Technical atmosphere",
  "ml_name": "ip_at_{tech}",
  "symbol": "at",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#A"
}