"Commodity trade statistics, 19" 

 - New  York United Nations       1989 
 - 497p.  cm. 
<br/><br/> "Statistical papers series D, VOl." 
<br/><br/><label>Standard No.: </label>177245 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X:54.1N45.N93s, N3/UN"