共 13 条
[1]
*AM IR STEEL I, 1964, DIRECTORY IRON STEEL
[2]
BEIER FJ, 1966, MAJOR MARKET US BITU
[3]
DURBIN EP, 1967, RM5472PR RAND CORP M
[4]
Ford Lester R., 1962, FLOWS NETWORKS
[5]
AN OUT-OF-KILTER METHOD FOR MINIMAL-COST FLOW PROBLEMS
[J].
JOURNAL OF THE SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS,
1961, 9 (01)
:18-27
[6]
GAUTHIER HL, 1968, GEOGRAPHIC STUDIES U, P102
[7]
TRANSPORTATION MODELS IN STUDIES OF INTERREGIONAL COMPETITION
[J].
JOURNAL OF FARM ECONOMICS,
1959, 41 (05)
:997-1011
[9]
MAYER R, 1964, COMPETITION MIDWESTE
[10]
*NAT COAL ASS, 1967, STEAM ELECTRIC PLANT