Mandal, T M . <br/><br/>
A Textb-Book of Sound /  Textual Documents 
T M Mandal. 
 - 1st ed / 
 - Calcutta :  Science Book Agency ,  1970. 
<br/><br/><label>Subjects--Index Terms: </label>Science Book Agency 
<br/><br/><label>Dewey Class. No.: </label>534  / Ma 312 T