Shaikh, Gulsher. <br/><br/>
The Detail syudy of oil well drilling bit / 
Gulsher Shaikh...(et. al.) 
 - Muet Jamshoro :  Mechanical Engineering,  1988. 
 - vi, 138p. : ill. ; 
<br/><br/>Including Reference. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical Engineering.
<br/><br/><label>Dewey Class. No.: </label> / SHA