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Using state indexes to define economic regions in the US
Crone, Theodore Michael, (1999)
Determining the source of inter-license synergies in two-way paging networks
Singer, Hal J., (2000)
Using state indexes to define economic regions in the U.S.
Markov processes and slope series : the scale problem ; a comment
Haining, R. P., (1977)
Spatial structure and spatial interaction : modelling approaches to the statistical analysis of geographical data
Bennett, R. J., (1985)