Measurement and assessment of aircraft noise; aircraft noise monitoring systems within the meaning of article 19a of the Luftverkehrsgesetz (Civil Aviation Law)— 6 стр.
Measurement and assessment of aircraft noise; aircraft noise monitoring systems within the meaning of article 19a of the Luftverkehrsgesetz (Civil Aviation Law)— 6 стр.
Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and flight operation parameters; Text in German and English— 23 стр.