Studies in petrochemicals:   Presented at the United Nations interregional conference on the development of petrochemical industries in development countries  

 - New York:   United Nations,   1966 
 - 1078p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Development  
<br/><br/><label>Universal Decimal Class. No.: </label>665.59(063)  / K6.2