International petroleum encyclopedia 2007 / 
 40th anniversary international petroleum encyclopedia 2007 
[editor Joseph Hilyard] 
 - Tulsa, Okla.,  PennWell Pub. Co.,  2007 
 - xvi, 484 p. :  col. ill., maps ;  29 cm. +  1 folded map 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781593701031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade--Periodicals<br/>Petroleum industry and trade--Directories