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Geographical review [Geogr Rev] 1999; Vol. 89 (3), pp. 315-42.Publisher: Wiley on behalf of the American Geographical Society Country of Publication: United States NLM ID: 0247704 Publication Model: Print Cited Medium:
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Chinese journal of population science [Chin J Popul Sci] 1992; Vol. 4 (3), pp. 237-47.Publisher: Allerton Press Country of Publication: United States NLM ID: 101084111 Publication Model: Print Cited Medium: Print ISSN: 1044-8403