| 000 | 00444nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 190711s9999 xx 000 0 und d | ||
| 082 | _a622.23 C216 | ||
| 100 | _aCANADA CENTRE FOR MINERAL & ENERGY TECHNOLOGY (CANMET) | ||
| 245 | 0 | _aEMPIRICAL PROCEDUES FOR PREDICTION FOR ROCK FRAGMENTATION BY BLASTING BY Y.C.LIZ | |
| 260 |
_aCANADA _bENERGY MINES AND RESOURCES _c1990 |
||
| 300 | _a28X23 | ||
| 490 | _aMRL 90-06TR JAN.1990 | ||
| 942 |
_cBK _2DDC |
||
| 999 |
_c23728 _d23728 |
||