共 17 条
[1]
AUSTIN CM, 1974, GEOGR ANAL, V6, P135
[2]
Bell T.L., 1981, GEOGRAPHICAL PERSPEC, V48, P22
[3]
CORNUEJOLS G, IN PRESS DISCRETE LO
[5]
ERLENKOTTER D, 1985, SISTEMI URBANI, V7, P29
[8]
HANSEN P, 1987, FUNDAMENTALS PURE AP, V22, P1
[9]
HANSEN P, 1976, OPERATIONAL RES 75, P201
[10]
KHUMALALA B.M., 1972, MANAGE SCI, V18, P718