DIN 45684-2 E:2014-10 Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and flight operation parameters
2015DIN 45684-2:2015-12 Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and flight operation parameters; Text in German and English
2015DIN 45684-2:2015 Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and flight operation parameters; Text in German and English
2007DIN 45684-2:2007 Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and aircraft operational parameters
1970DIN 45684-2 E:2001-07 Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and flight operation parameters