Commodity trade statistics 1991. 

 - New  York United Nations.       1994 
 - 445p.  cm. 
 - Statistical Papers Series D. .
<br/><br/><label>Standard No.: </label>173373 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X:54.1N45.N91s, N4.41/UN"