Beranek, Leo Leroy,  1914- <br/><br/>
Acoustic measurements / 
Leo Leroy Beranek 
 - New York :  John Wiley,  1949 
 - vii, 914 p. :  ill. ;  22 cm. 
<br/><br/> "Prepared under the auspices of the Office of Naval Research, Navy Dept., Washington, D.C."  Includes index 
<br/><br/>Bibliographical footnotes 
<br/><br/><label>ISBN: </label> Rs. 272.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound<br/>Electro-acoustics<br/>Microphone
<br/><br/><label>Dewey Class. No.: </label>534.4