Commodity trade statistics,1991 

 - New York  United Nations          1992 
 - 338p.  cm. 
 - Statistical papers series D  Vol.41;1-3 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:54.1N45.N92, N2/UN