instrument landing system . Lennunduse terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://127.0.0.1:5577/search/unif//len/instrument%20landing%20system/1/eng (09.10.2026)
instrument landing system . Meteoroloogia ja klimatoloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://127.0.0.1:5577/search/unif//mtkl/instrument%20landing%20system/1/eng (09.10.2026)
instrument landing system . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://127.0.0.1:5577/search/unif//mea/instrument%20landing%20system/1/eng (09.10.2026)
instrument landing system . Militerm | riigikaitseterminite andmebaas. Estonian Language Institute, Sõnaveeb 2026. https://127.0.0.1:5577/search/unif//mil/instrument%20landing%20system/1/eng (09.10.2026)