000 | 00386nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 190711s9999 xx 000 0 und d | ||
020 | _a8120403037 | ||
082 | _a622.2 S617 | ||
100 | _aSINGH,B | ||
245 | 0 | _aINTERNATIONAL SYMPOSIUM ON UNDERGROUND ENGINEERING PROCEEDINGS | |
250 | _a2 | ||
260 |
_aNEW DELHI _bOxford & IBH Publishing _c1989 |
||
300 | _a29X22 | ||
942 |
_cBK _2DDC |
||
999 |
_c22317 _d22317 |