International petroleum encyclopedia  [electronic resource]. 

 - Tulsa, OK :  PennWell Pub.,  2007. 
 - xviii, 484 p. :  ill. (some col.), maps. 
 - International petroleum encyclopedia ;  2007 .
<br/><br/> Includes index. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2009. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade.<br/>Petroleum industry and trade--Directories.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>HD9560.5  / .I57 2007eb