das, N N . <br/><br/>
Physical Chemistry /  Textual Documents 
N N das &K G Bhattarcharya. 
 - Guwahati :  Assam Book Depot ,  1951. 
<br/><br/><label>Subjects--Index Terms: </label>Physical Chemistry T/G-Physical Chemistry 
<br/><br/><label>Dewey Class. No.: </label>547  / B 469 Ph