000 00266nam a22001097a 4500
082 _a624.15132
_bBRA
100 _aBrady, B H S
_aBrown, E T
245 _aRock mechanics for under ground mining
250 _a2
260 _aLondon
_bChapman
_bHall
_c1993
942 _cBK
999 _c213540
_d213540