By Elliott R.F.   Sandy R.   in Economics Letters

ISSN:0165-1765|59|1|127-131

Elsevier‎(1998)‎

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By Elliott R. F.   Hemmings P. J.   in Regional Studies: The Journal of the Regional Studies Association

ISSN:1360-0591|25|1|63-69

Routledge Ltd‎(1991)‎

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