\input zb-basic \input zb-ioport \iteman{io-port 03841591} \itemau{Asalor, J.O.} \itemti{A general model of road traffic accidents.} \itemso{Appl. Math. Modelling 8, 133-138 (1984).} \itemcc{} \itemut{road traffic accidents; accidents as failures; road traffic network system; social and economic constraints} \itemli{doi:10.1016/0307-904X(84)90066-0} \end