| 000 | 00386nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 190711s9999 xx 000 0 und d | ||
| 082 | _a622.13 W927 | ||
| 100 | _aWORLD MINING CONGRESS | ||
| 245 | 0 | _aOPTIMAL EXPLORITATION OF SOLID MINERAL RESOURCES CHALLENGES AND CONSTRAINTS | |
| 250 | _a4 | ||
| 260 |
_aCALCUTTA _bORGANISING COMMITEE PUB _c1984 |
||
| 300 | _a21X14 | ||
| 942 |
_cBK _2DDC |
||
| 999 |
_c19657 _d19657 |
||