Efron, Alexander <br/><br/>
Sound 

 -  Vakils Feffer & Simons Pvt. Ltd., Bombay  1968 
 - 72 
 - Basic Science Series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound & related vibrations; Physics
<br/><br/><label>Dewey Class. No.: </label>534  EFR-S