Levorsen, A I <br/><br/>
Geology of Petroleum. 
by A I Levorsen 
 - 2nd Ed. 
 - Bombay:  Vakils Feffer and Simons Pvt. Ltd.,  1970. 
 - 724p.:  15cm. 
<br/><br/>Index. 
<br/><br/><label>Subjects--Index Terms: </label>Earth sciences of other areas. Geography 
<br/><br/><label>Dewey Class. No.: </label>559