Gaya APA

Environmental aspects of selected non-ferrous metals (Cu, Ni, Pb, Zn, Au) ore mining : a technical guide. (1991). : Paris, United Nations Environment Programme Industry and Environment.

Gaya MLA

Environmental aspects of selected non-ferrous metals (Cu, Ni, Pb, Zn, Au) ore mining : a technical guide. . : Paris, United Nations Environment Programme Industry and Environment, 1991. Text.