TY  - BOOK
ED  - National Research Council. Transportation Research Board.
ED  - Research and Technology Coordinating Committee.
TI  - Highway research : : Current programs and future directions / 
T2  - Special report ; 
SN  - 0309060540
PY  - 1994///
CY  - Washington : 
PB  - National Academy Press, 
KW  - CARRETERAS
ER  -