| 000 | 00505nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110631.0 | ||
| 035 | _aF8901000709612 | ||
| 084 | _aTRB SHP 31 1975 | ||
| 245 | _aHighway tunnel operations / Transportation Research Board. | ||
| 260 | _aWashington, D.C. : TRB | ||
| 300 | _a29 p. | ||
| 440 | _aSynthesis of Highway Practice ; 31 / Transportation Researc-h Board | ||
| 690 | _aTuneles en carreteras - Mantenimiento. | ||
| 710 | _aNational Research Council. Transportation Research Board (E-.U.A.) | ||
| 999 |
_c59437 _d59437 |
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