共 8 条
[1]
[Anonymous], 1965, DISTANCE HUMAN INTER
[2]
BLANCO C, 1962, DETERMINANTS REGIONA
[3]
*GHANA GOV, 1960 POP CENS GHAN A, P13
[4]
*GOLD COAST GOV, 1948, CENS POP, P45
[5]
NELSON P, 1959, J REGIONAL SCI SPR, P43
[6]
SJAASTAD LA, 1961, THESIS U CHICAGO
[7]
1960 POPULATION CENS, V1
[8]
1960 POPULATION CENS, V2