| 000 | 00497nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230703b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a622.2(082.2) _bM4-1 |
||
| 245 |
_aOptimal exploitation of solid minerals resources: _bChallenges and constraints _c/ 12th congress of world mining congress |
||
| 260 |
_aNew Delhi: _b12th congress of world mining congress, _c1984 |
||
| 650 | _2Science | ||
| 653 | _aEcology | ||
| 942 |
_2udc _cREP |
||
| 999 |
_c48714 _d48714 |
||