Chugh, Chandra Parkash  <br/><br/>
Drilling technology handbook  

 - New Delhi:   Oxford & IBH Publishing Co.   1977 
 - 460p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Drilling  
<br/><br/><label>Universal Decimal Class. No.: </label>R 621.95(02)  / L7