共 27 条
[11]
Hitchcock F.L., 1941, J MATH PHYS, V20, P224, DOI DOI 10.1002/SAPM1941201224
[12]
Hoover E.M., 1937, LOCATION THEORY SHOE
[13]
ISARD W, 1960, J REGIONAL SCI, V2, P67
[15]
JUDGE GG, 1956, B STORRS AGR EXPT ST, V318
[16]
KOOPMANS TC, 1947, P INT STATISTICAL C
[17]
LEFEBER L, 1958, ALLOCATION SPACE PRO
[18]
Marshall A., 1916, PRINCIPLES EC
[19]
MORRILL RL, 1960, 19TH P INT GEOGR C S
[20]
MOSES LN, 1960, REV EC STATISTICS, V42