| 000 | 00488nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110528.0 | ||
| 035 | _aF8901000703725 | ||
| 084 | _aHRB REC 222 1968 | ||
| 245 | _aGuardrails, median barriers and sign and light supports, 6 -reports / Highway Research Board. | ||
| 260 | _aWashington, D.C. : HRB | ||
| 300 | _a98 p. | ||
| 440 | _aRecord ; 222 / Highway Research Board | ||
| 690 | _aGuardacaminos - Pruebas. | ||
| 710 | _aE.U.A. National Research Council. Highway Research Board. | ||
| 999 |
_c55265 _d55265 |
||