TY  - BOOK
AU  - N.T.B, N.R.C
TI  - Transportation research record No.1404
SN  - 0-309-05550-4
U1  - 388.049 
PY  - 1993///
CY  - Washington
PB  - National Academy Press
N1  - 0; 0; 0; 388_049000000000000_NAT
ER  -