000 00343nam a2200121Ia 4500
001 00525
008 190706s9999 xx 000 0 und d
082 _a622.206 I61
100 _aMONTREUX,S
245 0 _aINTERNATIONAL CONGRESS ON ROCK MECHANICS,PROCEEDINGS/COMPUTER-RENDUS/BERICTC
260 _aROTTARDAM
_bA.A. Balkema
_c1979
942 _cREF
_2DDC
999 _c9452
_d9452