| 000 | 00593nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110834.0 | ||
| 035 | _aF8901000721972 | ||
| 084 | _aTRB REC 1708 2000 | ||
| 245 | _aTraffic control devices, visibility, and rail-highway grade- crossings 2000 / Transportation Research Board | ||
| 260 | _aWashington, D.C. : TRB | ||
| 300 | _a[88] p. | ||
| 440 | _aRecord ; no.1708 / Transportation Research Board | ||
| 690 | _aTránsito (Ingeniería vial) - ControlTránsito (Ingeniería vial) - Señales - Mejoramiento | ||
| 710 | _aNational Research Council. Transportation Research Board (E-.U.A.) | ||
| 999 |
_c67439 _d67439 |
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