共 45 条
[1]
*AM TRUCK ASS INC, 1985, 1984 MOT CARR ANN RE
[2]
BROWN J, 1983, MEASUREMENT LABOR CO
[4]
*BUR ACC INT COMM, OCP101 ANN PERF REP
[5]
*BUR ACC INT COMM, 1984, ANN REP INT COMM COM
[6]
CALLAN SJ, 1992, J TRANSPORT EC P JAN, P19
[9]
CAVES DW, 1988, LOGISTICS TRANSP MAR, P3
[10]
CHIANG SJ, 1984, REV EC STATISTIC MAY, P267