000 00337nam a2200133Ia 4500
008 220709b1967 xxu||||| |||| 00| 0 eng d
082 _a552
_bQ15R
100 _aObert, leonard Duvall, Wilbur I.
245 _aRock mechanics and the design of structures in rock
260 _aLondon
_bJohn wiley
_c1967
300 _a650p.
630 _arock mechanics
942 _cBooks
906 _a101513
981 _aLondon: John wiley, 1967.
982 _a650p.
983 _aRock mechanics and the design of structures in rock
999 _c97364
_d97364