Sen, Ajoy Kumar . <br/><br/>
Introduction to Geology /  Textual Documents 
Ajoy Kumar Sen. 
 - Ist ed / 
 - Calcutta :  Modern Book Agency Pvt Ltd ,  1993. 
 - 263p ;  24cm. 
<br/><br/><label>Subjects--Index Terms: </label>Geology T/G-Geology 
<br/><br/><label>Dewey Class. No.: </label>550  / Se 55 In