a theoretical vertical distribution of the physical properties of the atmosphere up to an altitude of 50 km established by international agreement
a theoretical vertical distribution of the physical properties of the atmosphere up to an altitude of 50 km established by international agreement
ISA 2 . Lennunduse terminibaas. Институт эстонского языка, Сынавееб 2026. https://127.0.0.1:5577/search/unif//len/ISA/2/eng (09.10.2026)