共 56 条
[1]
AMRHEIN CG, 1985, UNPUB REGIONAL STUDI, V19
[2]
BARTEL AP, 1979, AM ECON REV, V69, P775
[3]
BAZAARA MS, 1977, LINEAR PROGRAMMING N
[4]
COMBINATORIAL OPTIMIZATION MODEL FOR TRANSMISSION OF JOB INFORMATION THROUGH CONTACT NETWORKS
[J].
BELL JOURNAL OF ECONOMICS,
1975, 6 (01)
:216-249
[5]
Brown L., 1981, INNOVATION DIFFUSION
[6]
Brown L.A., 1970, GEOGR ANN B, V52B, P1, DOI DOI 10.2307/490436
[9]
CASETTI E, 1969, GEOGR ANAL, V1, P101