Commodity trade statistics. 

 - New York  U.N.           1994 
 - 361p.  cm. 
 - Statistical papers series D.  V.41, No.1-30 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:54.1N45.N91, N4.41/UN