Committee on Aircraft Engine Emmissions Meeting & Organization, I. C. A. (1980). Committee on aircraft engine emissions-report. ICAO.
Chicago-čujuhus (17. p.)Committee on Aircraft Engine Emmissions Meeting juo International Civil Aviation Organization. Committee on Aircraft Engine Emissions-report. ICAO, 1980.
MLA-čujuhus (9. p.)Committee on Aircraft Engine Emmissions Meeting juo International Civil Aviation Organization. Committee on Aircraft Engine Emissions-report. ICAO, 1980.
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