共 7 条
[1]
CASE HW, 1956, TRAFFIC QUART, V10, P364
[2]
CASE HW, 1956, HIGHWAY RES BOARD B, V120
[3]
EDWARDS AL, 1942, EXPT DESIGN PSYCHOL
[5]
LEFEVE BA, 1956, HIGHWAY RES BOARD B, V120
[7]
1948, PERSONAL CHARACTERIS