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Publications

Smith, J.R., Hawkins, A.L., Asmerom, Y., Polyak, V., Giegengack, R. (2007) New age constraints on the Middle Stone Age occupations of Kharga Oasis, Western Desert, Egypt DOI Journal of Human Evolution Jennifer Smith (2001), Robert Giegengack Paleobiology/Geobiology

Department of Earth and Environmental Science / University of Pennsylvania, 251 Hayden Hall, 240 South 33rd Street, Philadelphia, PA 19104-6316