Non-ferrous metals in under-developed countries. 

 - New York :    United Nations Dept. of Economic and Social Affairs,    1956. 
 - vii, 129 p. ;    ill., maps, diagrs., tables ;    28 cm. 
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Non-ferrous metals -- Developing countries.