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| 082 | _a624.17622 H272 | ||
| 100 | _aHARDY,R.H | ||
| 245 | 0 | _aPROCEEDINGS FIRST CONFERENCE ON ACOUSTIC EMISSION/MICROSEISMIC ACTIVITY IN GEOLO | |
| 260 |
_aGERMANY _bTrans Tech Publications _c1977 |
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| 300 | _a16X23 | ||
| 942 |
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| 999 |
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