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机译:
National Museums of Kenya, Nairobi, Kenya;
Department of Anthropology, Stony Brook University, Stony Brook, NY 11794-4364, United States;
Department of Anthropology, University of Colorado, Boulder, CO 80309-0233, United StatesDepartment of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112-0111, United StatesResearch Laboratory for Archaeology, University of Oxford, Oxford OX1 3QY, United Kingdom;