Chugh, C. P. <br/><br/>
Manual of drilling technology / 
C. P. Chugh 
 - New Delhi :  Oxonian press pvt. Ltd. ,  1985 
<br/><br/><label>ISBN: </label>9061915538 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drilling Technology
<br/><br/><label>Dewey Class. No.: </label>622.23  / CHU