International petroleum encyclopedia 

 - Tulsa, Okla.,  PennWell Pub. Co. [etc.]  1974 
 - 468 p.:  ill. (part col.), col. maps.  32 cm. 
<br/><br/><label>ISSN: </label>0148-0375 
<br/><br/><label>Source: </label> PennWell Publishing Co., Box 1260, Tulsa, OK 74101 
<br/><br/><label>LCCN: </label>77076966  
<br/><br/><label>Nat. Bib. No.: </label>012257486  dnb 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>410023-2  DE-600 009859482  Uk 012257486  de-101 4100232  de-600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade--Periodicals.<br/>Petroleum industry and trade--Directories.<br/>Olie-industrie.<br/>Petrochemie.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Statistik.<br/>Wörterbuch.
<br/><br/><label>LC Class. No.: </label>HD9560.1  / .I565 
<br/><br/><label>Dewey Class. No.: </label>338.272805