Commodity trade statistics, 1990 

 - New York  United Nations          1992 
 - 359p.  cm. 
 - Statistical papers series D; Vol.40;1-19 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:54.1N45.N92, N2/UN