共 23 条
[1]
BALINSKI M, 1964, IBM DATA PROCESSING, P225
[3]
CHISHOLM M, 1970, GEOGRAPHY EC
[8]
HANSEN P, 1977, ENVIRON PLANN A, V9, P63, DOI 10.1068/a090063
[9]
HANSEN P, 1975, COMBINATORIAL PROGRA, P29
[10]
KHUMAWALA BM, 1972, MANAGE SCI B-APPL, V18, pB718