Oil and oilfield equipment and service companies worldwide / 
edited by Don Nelson. 
 - London :  Spon,   c1985. 
 - 776 p. ;  22 cm. 
 - Oxford world's classics .
<br/><br/>331  331 
<br/><br/><label>ISBN: </label>0-419-13330-5  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade -- Directories.
<br/><br/><label>Dewey Class. No.: </label>338.27282058 / N3320