Drillex '87 :  papers presented at the Drillex '87 conference / 
organized by the Institution of Mining and Metallurgy and the British Drilling Association. 
 - London :  Institution of Mining and Metallurgy,  1987. 
 - vii, 208 p. :  ill. 
<br/><br/><label>ISBN: </label>0900488948 
<br/><br/><label>LCCN: </label>91022085     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Core drilling.<br/>Drilling and boring.<br/>Mining and engineering.
<br/><br/><label>Dewey Class. No.: </label>622.23