Wilkerson, Robert M <br/><br/>
1980 U.S.A. oil industry directory  

 - 19th ed.  
 - Oklahoma:   The Petroleum Publishing Company,   1980 
 - 434p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology 
<br/><br/><label>Subjects--Index Terms: </label>Oil  
<br/><br/><label>Universal Decimal Class. No.: </label>R 665(058.7)(73)   / M0