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Sandra L. Olsen, Horse Domestication on the Eurasian Steppe. In: Melinda A. Zeder, Daniel G. Bradley, Eve Emshwiller, Bruce D. Smith(Hrsg.), Documenting Domestication, New Genetic and Archaeological Paradigms. University of California Press 2006, fig. 17.8 Stable URL: JSTOR:10.1525/j.ctt1pnvs1.22
Robert N. Spengler III, Agriculture in the Central Asian Bronze Age. Journal of World Prehistory 28/3, 2015, 240. Stable URL: JSTOR:24766194
