000 | 00319nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 200906s9999 xx 000 0 und d | ||
082 | _a622.2 I59 | ||
100 | _aINSTITUION OF MINING AND METALLURGY, LONDON | ||
245 | 0 | _aUNDERGROUND EXCAVATIONS IN ROCK | |
260 |
_bI.M.M, LONDON _c1980 |
||
300 | _a28X22 | ||
942 | _cBK | ||
999 |
_c62472 _d62472 |