William C. Lyons <br/><br/>
Working guide to drilling equipment and operations. 

 - London ;  Elsevier,  2010. 
 - xiv,602p. :  ill. ;  21cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978-1-85617-843-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drilling and boring machinery
<br/><br/><label>LC Class. No.: </label>TJ1260.L96