Non-ferrous metals in under-developed countries. 

 - New York :  UN,  1956 
 - vii, 129p. :  ill. ;  30 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources<br/>Developing countries<br/>Nonferrous metal industries<br/>Minerals
<br/><br/><label>Dewey Class. No.: </label>553.1  / UN-2