Levorsen , A.I. . <br/><br/>
Geology of Petroleum /  Textual Documents 
A.I.Levorsen. 
 - 2nd ed. / 
 - New Delhi :  CBS Publishers & Distributors ,  1985. 
 - 724pg :  ill ;  19cm . 
<br/><br/><label>ISBN: </label>81-239-0931-4 
<br/><br/><label>Subjects--Index Terms: </label>Geology Petroleum Petrology Deptt- Geology PG- Geology 
<br/><br/><label>Dewey Class. No.: </label>553.28  / Le 579 Ge