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| 005 | 20250425161534.0 | ||
| 008 | 250425s9999 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 | _aIBM4381 | ||
| 100 | _aPATTISON, HARRY C | ||
| 245 | 0 | _aRAPID EXCAVATION AND TUNNELING CONFERENCE | |
| 250 | _aS.E. | ||
| 260 | _aS.L. | ||
| 260 |
_aSin Pais _bS.E. _c1974 |
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| 500 | _aCLASIFICACION: 622.26 | ||
| 942 | _c01 | ||
| 010 | _a22574 | ||
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_c211219 _d211219 |
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