| 000 | 00517nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110529.0 | ||
| 035 | _aF8901000703763 | ||
| 084 | _aHRB REC 259 1969 | ||
| 245 | _aDevelopment of safer roadside structures and protective sys-tems, 6 reports / Highway Research Board. | ||
| 260 | _aWashington, D.C. : HRB | ||
| 300 | _a60 p. | ||
| 440 | _aRecord ; 259 / Highway Research Board | ||
| 690 | _aGuardacaminos - Pruebas.Vehículos - Pruebas. | ||
| 710 | _aE.U.A. National Research Council. Highway Research Board. | ||
| 999 |
_c55299 _d55299 |
||