Sonia Harmand Department of Anthropology, Turkana Basin Institut No description specified. 1-1 (1 Record) Documents Hilary Duke and Sonia Harmand—A New Approach to the Evolution of Early Pleistocene Hominin Cognition and Technological Change: Examining the Technological Context of LCT Emergence 1.8–1.76 Ma at Kokiselei, West Turkana, Kenya (2018)