Commodity trade statistics. 

 - New York  United Nations          1994 
 - 452p.  cm. 
 -  Vol.61, no. 1-26 .
<br/><br/> Statistical  papers series D, Vol.XLI; no. 1-26 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:54.1N45.N94s, N4/UN