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Journal Article Is Theory for Demographers? Get access Rupert B. Vance Rupert B. Vance University of North Carolina Search for other works by this author on: Oxford Academic Google Scholar Social Forces, Volume 31, Issue 1, October 1952, Pages 9–13, https://doi.org/10.2307/2572565 Published: 01 October 1952
R. B. Vance (Wed,) studied this question.