| 000 | 00523nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110634.0 | ||
| 035 | _aF8901000709791 | ||
| 084 | _aTRB REC 681 1978 | ||
| 245 | _aTraffic control devices, visibility, and geometrics / Trans-portation Research Board. | ||
| 260 | _aWashington, D.C. : TRB | ||
| 300 | _a94 p. | ||
| 440 | _aRecord ; 681 / Transportation Research Board | ||
| 690 | _aTránsito - Signos y señales.Carreteras - Diseño. | ||
| 710 | _aNational Research Council. Transportation Research Board (E-.U.A.) | ||
| 999 |
_c59612 _d59612 |
||