TY  - BOOK
ED  - National Research Council (U.S.).
TI  - Roadside hazards, traffic barriers, and safety appurtenances
SN  - 0309031133
PY  - 1980///
CY  - Washington, D.C.
PB  - Transportation Research Board. National Research Council
KW  - Roads
KW  - Guard fences
KW  - Safety measures
ER  -