000 | 00380nam a2200121 4500 | ||
---|---|---|---|
020 | _a928071295X | ||
082 |
_a363.731 _bENV.N1 |
||
245 |
_aEnvironmental Aspects of Selected non-ferrous Metals (Cu, Ni, Pb, Zn, Au) ore mining : _bA Technical Guide _cUnited Nations |
||
260 |
_aNew York _bUnited Nations _c1991 |
||
300 | _a116p | ||
650 | _aNon-Ferrous Metals | ||
942 | _cUN&WB | ||
999 |
_c669279 _d669279 |