共 9 条
[2]
Beckmann MJ, 1968, LOCATION THEORY
[3]
CHRISTALLER W., 1966, CENTRAL PLACES SO GE
[4]
Losch A, 1940, EC LOCATION
[6]
MULLIGAN GF, 1981, PAPERS REGIONAL SCI, V48, P77
[7]
MULLIGAN GF, 1981, 8112 U AR DEP GEOGR
[9]
[No title captured]