Studies in petrochemicals 

 - NA  NA         1966 
 - 2v  cm. 
 - United Nations publication .
<br/><br/><label>Standard No.: </label>136,578 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X9F555p1(Y1:4):N64, K6.1-.2