000 | 00579nam a2200145 a 4500 | ||
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005 | 20220228110834.0 | ||
035 | _aF8901000721963 | ||
084 | _aTRB REC 1713 2000 | ||
245 | _aRailroad track engineering and maintenance; passenger rail -planning and operations / Transportation Research Board | ||
260 | _aWashington, D.C. : TRB | ||
300 | _a[61] p. | ||
440 | _aRecord ; no.1713 / Transportation Research Board | ||
690 | _aVías férreas - Diseño y construcciónVías férreas - Mantenimiento | ||
710 | _aNational Research Council. Transportation Research Board (E-.U.A.) | ||
999 |
_c67431 _d67431 |