Calculations of maximum A-weighted sound levels (dBA) resulting from civil aircraft operations
Forente stater. Department of Transportation
Bok Engelsk 1978
Utgitt | Wash DC , 1978
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Omfang | 65 s.
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Emner | |
Dewey |
Utgitt | Wash DC , 1978
|
---|---|
Omfang | 65 s.
|
Emner | |
Dewey |