共 7 条
[1]
BLUM J, 1961, LANDLORD PEASANT RUS
[3]
FOOD R, 1962, FLOWS NETWORKS
[4]
Garrison W. L., 1960, PAP REG SCI, V6, P121, DOI 10.1111/j.1435-5597.1960.tb01707.x
[5]
HUFF DL, 1960, PAPERS P REGIONAL SC, V6, P159
[6]
KULCHEVSKY VO, 1911, HIST RUSSIA, V1
[7]
MONGAYT AL, 1955, MATERIALI ISSLEDOVAN, V49