Levorsen, A.I. . <br/><br/>
Geology of Petroleum /  Textual Documents 
A.I. Levorsen. 
 - 2nd ed. / 
 - Delhi :  CBS Publishers & Distributors ,  1985. 
 - x, 724p. :  ill. ;  22cm . 
<br/><br/>Index 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>Geology Petroleum Petrology PG-Geology 
<br/><br/><label>Dewey Class. No.: </label>550  / Le 579 Ge