References

ICAO1993

International Civil Aviation Organization: Manual Of The ICAO Standard Atmosphere – 3rd Edition 1993 (Doc 7488) – extended to 80 kilometres (262 500 feet)

NASA1976

National Aeronautics and Space Administration: U.S. Standard Atmosphere, 1976 (NASA-TM-X-74335); https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770009539.pdf (Accessed: 2019-08-11)

Warning

Ambiance is an implementation of [ICAO1993] (non-free document), but [NASA1976] (free) should match in many parts.