Chugh Chander Parkash <br/><br/>
Dimond drilling 
by Chugh Chander Parkash 
 -  1971 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>67269 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building engineering
<br/><br/><label>Dewey Class. No.: </label>D3:130H191, L1