Levorsen, Arville Irving,    1894- <br/><br/>
Geology of petroleum /    
A. I. Levorsen 
 - San Francisco :   W. H. Freeman ,   1954, repr.; 1958 
 - 703 p. :    ill.;    25 cm. 
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum --Geology------
<br/><br/><label>Dewey Class. No.: </label>553.28 LEV