ALEXANDER EFRON <br/><br/>
SOUND / 

 -  1957 
<br/><br/><br/>Eng. 
<br/><br/> Hbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>534. E38S 1957 14599