Barbujani, G., & Sokal, R. R. (1990). Zones of sharp genetic change in Europe are also linguistic boundaries.
Chicago Style aipamenaBarbujani, G., and R R. Sokal. Zones of Sharp Genetic Change in Europe Are Also Linguistic Boundaries. 1990.
MLA aipamenaBarbujani, G., and R R. Sokal. Zones of Sharp Genetic Change in Europe Are Also Linguistic Boundaries. 1990.
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