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

 - Paris    United Nations Environmental Programme  1991 
<br/><br/><label>ISBN: </label>Technical Report Series : no.5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Aspects-non ferrous metals 
<br/><br/><label>Dewey Class. No.: </label>333.7 UNI