TY  - BOOK
AU  - N.A.S.
TI  - Pavement roughness and skid properties Transportation research record No. 836
SN  - 0-309-03313-6
U1  - 625.8 
CY  - The World Bank
PB  - Washington D.C
KW  - MCE
N1  - 0; 0; 0; 625_800000000000000_NAT
ER  -