"Commodity trade statistics, 1993." 

 - New  York United Nations       1994 
 - 256p.  cm. 
<br/><br/> "Statistical papers series D,VOl. XLIII, no. 1-27" 
<br/><br/><label>Standard No.: </label>177243 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X:54.1N45.N94r, N4/UN"