| 000 | 00482nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110528.0 | ||
| 035 | _aF8901000703714 | ||
| 084 | _aHRB REC 211 1967 | ||
| 245 | _aAspects of traffic control devices, 4 reports / Highway Res-earch Board. | ||
| 260 | _aWashington, D.C. : HRB | ||
| 300 | _a75 p. | ||
| 440 | _aRecord ; 211 / Highway Research Board | ||
| 690 | _aTránsito (ingeniería vial) - Control. | ||
| 710 | _aE.U.A. National Research Council. Highway Research Board. | ||
| 999 |
_c55254 _d55254 |
||