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| 008 | 250425s9999 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 | _aIBM4381 | ||
| 100 | _aMAEVIS, ALFRED C | ||
| 245 | 0 | _aRAPID EXCAVATION AND TUNNELING CONFERENCE | |
| 250 | _aS.E. | ||
| 260 | _aS.L. | ||
| 260 |
_aSin Pais _bS.E. _c1979 |
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| 500 | _aCLASIFICACION: 622.26 | ||
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_c211218 _d211218 |
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