Environmental aspects of selected non-ferrous metals (Cu, Ni, Pb, Zn , Au) ore mining :    a technical guide. 

 - 1st ed. 
 - Paris :    United Nations Environment Programme,    1991. 
 - xvii, 116 p. :    ill. ;    30 cm. 
 - Technical report series ;    no. 5 .
<br/><br/>  "With the assistance of International Labour Office"--Cover.   Spine title: Environmental aspects of selected non-ferrous metals or e mining. 
<br/><br/>Includes bibliographical references : (p. 85-93). 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Nonferrous metal industries -- Environmental aspects.<br/> Industrial management -- Environmental aspects.