000 00316nam a2200121Ia 4500
008 180115s9999||||xx |||||||||||||| ||und||
082 _a624.151 32
100 _aCENTRAL BOARD OF IRRIGATION AND POWER
245 0 _aMANUAL OF ROCK MECHANICS
260 _aNEW DELHI
_bC.B.R.I
_c1988
300 _a533
650 _aRock Mechanics
942 _cGEN_BK
999 _c11200
_d11200