CHUGH,C.P <br/><br/>
DESIGN CRITERIA FOR DRILL RIGS: EQUIPMENT AND DRILLING TECHNIQUES 

 - NEW DELHI  Oxford & IBH Publishing  1996 
 - 24X16 
<br/><br/><label>ISBN: </label>8120410513 
<br/><br/><label>Dewey Class. No.: </label>622.23 C559