The Europeans Did. NPR. 2013-01-23 [2020-01-25]. (原始内容存档于2021-10-15) (英语). Dr. Martin Richards. Climate Change and Postglacial Human Dispersals in Southeast
Editions Errance, ISBN 2-87772-337-2 Mallory, J.P. (1989). In Search of the Indo-Europeans: Language Archeology and Myth. Thames and Hudson. Chapter 2;
2005. National Minority Rights in Europe. Oxford and New York: Oxford University Press. Pentassuglia, G. 2002. Minorities in international law : an introductory
individuals but most occupy a wide range on PC2 between Europeans and East Asians, generally falling in an area occupied by Central and South Asian populations