TY  - BOOK
ED  - United States.
ED  - United States.
ED  - United States.
ED  - United States.
TI  - Public roads: a journal of highway research
U1  - 625.20973 
PY  - 1968///
CY  - Washington, D.C.
PB  - United States Government Printing Office
KW  - Roads
KW  - United States
KW  - Cars
KW  - Highway research
N1  - Cover title
ER  -