Sixth international tin agreement 

 - New York  United Nations USA         1982 
 - 34p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological Industry
<br/><br/><label>Dewey Class. No.: </label>X9(F149).1.N7, M2/UN