000 00284nam a2200121Ia 4500
008 160710s1983 xx 000 0 und d
082 _a624.151 VER
100 _aVERMA,BP
245 _aROCK MECHANICS FOR ENGINEERING
260 _bKHANNA PUB
_c1983
300 _a134
942 _2ddc
_cB
999 _c47256
_d47256