共 8 条
[1]
Dewar R. E., 1974, TRANSPORT RES REC, V503, P38
[5]
FORBES TW, 1969, TRAFFIC ENG, V39, P20
[6]
KEPPEL G, 1973, DESIGN ANAL RES HDB, P98
[7]
Nickerson R.S., 1972, PSYCHON MONOGR SUPPL, V4, P275
[8]
STEPHENS BW, 1964, PUBLIC ROADS, V33, P81