Commodity trade statistics, 1988. 

 - New York  United Nations          1990 
 - 333p.  cm. 
 -  Vol.38;1-9 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:54.1N45.N90, N0/UN