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| 020 | _a0872624463 | ||
| 041 | _aeng | ||
| 082 | _a624.152 | ||
| 100 | _aDOWDING, H. C. | ||
| 245 | 0 | _aROCK MASSES: MODELING OF UNDERGROUND OPENINGS/ PROBABILITY OF SLOPE FAILURE/ FRACTURE OF INTACT ROCK | |
| 250 | _aS.E. | ||
| 260 |
_aEstados Unidos _bASCE _c1985 |
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| 260 | _aNEW YORK | ||
| 300 | _a189 | ||
| 942 | _c01 | ||
| 010 | _a23155 | ||
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_c211730 _d211730 |
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