共 9 条
[1]
Austin K, 1993, TRAFFIC ENG CONTROL, V34, P540
[2]
CAMPBELL H, 1991, MAY C ASS GEOGR INF
[3]
CHATFIELD BV, 1985, CCRS293 TRANSP RES C
[4]
*ENV SYST RES I, 1990, PC ARC INFO REF MAN
[5]
HOWARD BV, 1979, CR6 DEP TRANSP REP
[7]
Silcock D., 1992, TRAFFIC ENG CONTROL, V33, P492
[8]
*UK DEP TRANSP, 1994, INSTR COMPL ROAD ACC
[9]
*UK DEP TRANSP, 1993, ROAD ACC GREATH BRIT