000 00390nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a9054108398
082 _a622,2 B171
100 _aBALKEMA,A A
245 0 _aPROCEEDING OF THE MACHANICS SYMPOSIUM ON ROCK MACHANICS TOOLS & TECHNIQUES VOL.1
260 _aROTTERDAM
_bA.A. Balkema
_c1996
300 _a1048p.,27X18cms.
942 _cBK
_2DDC
999 _c26663
_d26663