Lemmen, Carsten. “Cultural and Demic Diffusion of First Farmers, herders,and Their Innovations across Eurasia”. Documenta Praehistorica 420 (December 17, 2015): 93–102. Accessed October 31, 2020. https://revije.ff.uni-lj.si/DocumentaPraehistorica/article/view/42.5.