Aircarft engine noise reduction 

 - Washington D C :  Scientific and Technical Information Office,  1969. 
 - iii, 317 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aircraft Noise<br/>Aeroacoustics<br/>Jet Engine Noise
<br/><br/><label>Dewey Class. No.: </label>511.5  / AIR