RAM, K.S.V. SHARMA, N.L. <br/><br/>
INTRODUCTION TO GEOLOGY OF COAL AND INDIAN COALFIELDS 

 - 3rd Ed. 
 - DHANBAD  Dhanbad Publications, Dhanbad   1983 
 - PHOTOSTAT 
<br/><br/><label>Dewey Class. No.: </label>553.24  / SHA/IN