000 00365nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0444883088
082 _a622.15 M 214
100 _aMAHTAB, M.A
245 0 _aGEOMECHANICS PRINCIPLES IN THE DESIGN OF TUNNELS AND CAVERNS IN ROCK
260 _aAmsterdam
_bElsevier
_c1992
300 _a25X17
942 _cBK
_2DDC
999 _c23448
_d23448