000 00414nam a2200133Ia 4500
008 220709b1987 xxu||||| |||| 00| 0 eng d
082 _a624.1513
_bI5R
245 _aRock mechanics
_bproceedings of the fourth congress of the international society for rock mechanics
260 _c1987
630 _aRock mechanics
964 _bEnglish
964 _ePaper Fo
942 _cBooks
906 _a16916
981 _a1987.
983 _aRock mechanics : proceedings of the fourth congress of the international society for rock mechanics:Proceedings:V.2. Theme.4. Underground openings in overstressed rock
999 _c16767
_d16767