Perez de Arce, Hermogenes. <br/><br/>
Copper in Chilean economy. 

 - Santiago :  Corporacion del Cobre,  1974. 
<br/><br/> Paper prepared for Conference on Natural Resources and National Welfare: The case of copper. Lusaka, July 3-9, 1974. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper industry and trade -- Chile.--Copper industry and trade -- Chile.