Emmons, William <br/><br/>
Geology of petroleum. 

 - New York :  McGraw-Hill,  1931. 
 - 736 p. :  il. ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología económica<br/>Petróleo
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>553.982