Uren, Lester Charles. <br/><br/>
Petroleum production engineering :  oil field exploitation / 
Lester Charles Uren. 
 - 4th ed. 
 - London :  McGraw-Hill,  c 1956. 
 - xii, 792 p. :   ill, ;  25 cm. 
<br/><br/> Subjecft index. 
<br/><br/>79  79 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum engineering.
<br/><br/><label>Dewey Class. No.: </label>665.5 / U2p