File:Mapa de R1a.png - Wikimedia Commons
Por um escritor misterioso
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Dienekes' Anthropology Blog: World map of Y-chromosome haplogroups
File:R1a distribution Eurasia.jpg - Wikipedia
Ancient phylogeography: spread of haplogroups R1b, R1a and N
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Eurogenes Blog: The beast among Y-haplogroups
Exploring the Middle Ages, Posters 2015 by Det humanistiske
Toponyms in Strabo's Geography
Silesia: the Land of Dying Country Houses
Archaeogeneticists on the Origin of the Indo-Europeans, with
File:Haplogroup R (Y-DNA).png - Wikimedia Commons
1000.7: REQUIRED FENCING, SCREENING, AND LANDSCAPING
The Horde - MicroWiki
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por adulto (o preço varia de acordo com o tamanho do grupo)