Porges, G. <br/><br/>
Applied acoustics /  [Books]. 
G. Porges 
 - London,  Edward Arnold,  © 1977 
 - 180 pages :  illustrations ;  24cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0713126582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acoustical engineering.