Advances in acoustics technology / 
editor J. M. Martin Hernandez. 
<br/><br/><label>ISBN: </label>0471951498 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airplanes --Noise.<br/>Helicopters --Noise.<br/>Acoustical engineering.
<br/><br/><label>LC Class. No.: </label>TL671.65   / .A38 1994