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( p6 d& ^* W9 ]8 i* Y! A" y% y' K1988,1986年的。1996年引述于 R. D. Guthrie. The Mammoth Steppe and the origin of Mongoloid and their dispersal. In Prehistoric Mongoloid Dispersal. Oxford Science Publications 1996。; m! }! n" A2 X, e
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原文有 “as a general figure”的前提,当然非洲人肯定不都是这样的。% P c; g; |/ {( }0 a" E0 z
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Guthrie 引述的是:Harrison, G.A. et al., Human Biology, Princeton Univ. Press, 1988
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