000 00328nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0750619651
082 _a622.2 B433
100 _aBELL,F.G
245 0 _aENGINEERING IN ROCK MASSES
260 _aOXFORD
_bButterworth-Heinemann
_c1992
300 _a24X18
942 _cBK
_2DDC
999 _c23908
_d23908