Proceeding on drilling technology and engineering aisds to geological exploration 

 - Hyderabad  Geological Survey of India        1984 
 - xxi, 637p.  cm. 
 - Geological survey of India, special publication no.; 4 .
<br/><br/><label>Standard No.: </label>50021 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Geology<br/> Mining<br/>Geochemical
<br/><br/><label>Dewey Class. No.: </label>HZ:130gD6p1,N80, M0