International petroleum encyclopedia 1993. 

 - Tulsa, Okla. :   PennWell,  ©1993. 
 - volumes :  illustrations ;  30 cm. 
<br/><br/>V. 26-- 
<br/><br/><label>ISBN: </label>0878143939 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>553.2803 INT