000 00344nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a551.8 H268
100 _aHARDY.R.H
245 0 _aACOUSTIC EMISSION MICROSCISMIC ACTIVITY IN GEOLOGIC STRUCTURES AND MATERIALS
260 _aSWITZERLAND
_bTECH.PUB
_c1980
300 _a16X23
942 _cBK
_2DDC
999 _c19728
_d19728