D.P. ROY- CHAUDHURI <br/><br/>
ADVANCED ACOUSTICS 

 - KOLKATA  THE NEW BOOK STALL  1987 
 -  393P 
<br/><br/><label>Subjects--Topical Terms: </label><br/><br/>
<br/><br/><label>Dewey Class. No.: </label>534/RAY/ADV