共 6 条
[1]
LIFU G, 1998, OPER RES, P67
[2]
MA WS, COMMODITY BAR CODE S
[3]
MOHARAM H, 2000, J SYSTEMS ARCHIT JUN, P1073
[4]
QIAN FY, 2004, EC SURVEY, P55
[5]
REGAN AC, TRANSPORTATION RES A, V37, P189
[6]
XING H, 2000, QUEUING THEORY STOCH, P16