| 000 | 00490 a2200241 4500 | ||
|---|---|---|---|
| 001 | 325034 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aLHRB NCHRP R 460 : 1973 | ||
| 245 | _aTraffic safety barriers and lighting supports | ||
| 250 | _a | ||
| 260 | _aWashington, D. C. | ||
| 260 | _bHRB | ||
| 260 | _c1973 | ||
| 300 | _a147 p. | ||
| 300 | _c | ||
| 856 | _u | ||
| 490 | _aHRB NCHRP R 460 : 1973 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aHighway design,Bridge design | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c268776 _d268776 |
||