000 00412nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0412598604
082 _a622.26 I59
100 _aINSTITUTION OF MINING AND METALLURGY AND BRITISH TUNNELLING
245 0 _aTUNNELLING 94, SEVENTH INTERNATIONAL SYMPOSIUM PROCEEDINGS
260 _aLONDON
_bChapman Publishing Ltd
_c1994
300 _a24X16
942 _cBK
_2DDC
999 _c25274
_d25274