World oil.  [electronic resource]. 

 - [Houston, Tex. :  Gulf Pub. Co., 
 - Monthly  <, Oct. 1985- > 
 - Began with: Vol. 126, no. 6 (July 1947). 
<br/><br/> Description based on: Vol. 201, no. 5 (Oct. 1985); title from cover.  Trade Publication 
<br/><br/>Issues for 1997- have occasional special report supplements with distincive titles. 
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<br/><br/><label>ISSN: </label>0043-8790 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Periodicals.
<br/><br/><label>LC Class. No.: </label>TN860  / .O5