TY  - GEN
AU  - United Nations Environment Programme
PY  - 1994
UR  - https://wedocs.unep.org/handle/20.500.11822/22729
LA  - Spanish
KW  - mining
KW  - non-ferrous metal
KW  - environmental aspect
KW  - copper
KW  - nickel
KW  - lead
KW  - zinc
KW  - gold
TI  - Aspectos Ambientales en Mineria de Metales No Ferrosos (Cu, Ni, Pb, Zn, Au) - Inforne Tecnico No. 5
M3  - Communication or other resource
ER  -