Studies in petrochemicals :   presented at the United Nations interregional conference on the development of petrochemical industries in developing countries, Teheran, Iran, 16-30 November 1964. 

 - New York :  United Nations ,  1966 
 - 2 vols. :  ill. ;   30 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrochemical 
<br/><br/><label>Dewey Class. No.: </label>14  / UN