King, A. J. <br/><br/>
Attenuation of sound in line air ducts:   reduction of internal-com bustin engine noise enclosure /  
A. J. King. 
 - Manchester :   Metropolitan-Vickers Electrical Co. Ltd.,   1958. 
 - 10 p. :    ill. ;    28 cm. 
 - Research series ;   no.55 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air ducts --Acoustic properties.------<br/>Internal-combustion engines --Mufflers.------
<br/><br/><label>Dewey Class. No.: </label>621.3072