000 00585nam a2200193u 4500
001 00880078
003 PWmBRO
008 900419S1989 ne a 0101000eng
010 _a90012022
020 _a9061918715
090 _b624.1/5132/R682
245 0 0 _aRock mechanics as a guide for efficient utilization of natural resources :
_bproceedings of the 30th U.S. Symposium /
_cedited by A.Wahab Khair
260 _aRotterdam :
_bA.A.Balkema,
_c1989.
300 _axxvi, 972p.:
_bill.
650 0 0 _aRock mechanics.
700 1 0 _aKhair, A. Wahab
942 _2ddc
994 0 1 _a073874
999 _c57923
_d57923