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005 | 20250425161119.0 | ||
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041 | _aspa | ||
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100 | _aGRAYSON, LAWRENCE P. | ||
245 | 0 | _aFIRST WORLD CONFERENCE ON CONTINUING ENGINEER | |
250 | _a1A ED. | ||
260 |
_aEstados Unidos _bS.E. _c1979 |
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260 | _aS.L. | ||
300 | _a382 | ||
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