000 | 00336nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 190711s9999 xx 000 0 und d | ||
082 | _a622 A444 | ||
100 | _aALMGREN.G | ||
245 | 0 | _aIMPROVEMENT OF MINE PRODUCTIVITY AND OVERALL ECONOMY BY MODERN TECHNOLOGY | |
260 |
_aROTTERDAM _bBALKEMA _c1987 |
||
300 | _a25X18 | ||
942 |
_cBK _2DDC |
||
999 |
_c21763 _d21763 |