Fundamental aspects of petroleum geochemistry / 
edited by Bartholomew Nagy and Umberto Colombo 
 - Amsterdam :  Elsevier North-Holland,  1967 
 - vi, 388 p. :  ill., tables, diagrs. ;  25 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemistry<br/>Petroleum--Geology