Arogyaswamy, R.N.P.. <br/><br/>
Courses in Mining Geology /  

 - Third Ed. /  
 - New Delhi-1 :   Oxford & IBH Publishing Co. ,   1976 
 - p.695,xi :  
<br/><br/><label>ISBN: </label>81-204-0266-9 
<br/><br/><label>Dewey Class. No.: </label>HZ  / M8