TY  - BOOK
ED  - United States.
ED  - United States.
TI  - Highway focus: December 1974 
SN  - 0363-7182
U1  - 625.70973 
PY  - 1974///-
CY  - Washington, D.C.
PB  - Department of Transportation
KW  - Highway engineering
KW  - United States
N1  - Library has vol. 6, no. 4; v.6.-.v, 68 p
ER  -