Cox, Guy Hernry. <br/><br/>
Field methods in petroleum geology 

 - New York :  McGraw-Hill,  1921 
 - 305 p.  : ilus. 
<br/><br/><label>LCCN: </label>31382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petróleo.
<br/><br/><label>Dewey Class. No.: </label>553.282  / C69