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Date: 2009-05-22 10:38:02Paleolithic Lower Paleolithic Lake Turkana Pleistocene extinctions Homo habilis Koobi Fora Homo erectus Homo rudolfensis Ileret Paleontology Prehistoric Africa Extinction | Vol 448 | 9 August 2007 | doi:[removed]nature05986 LETTERSDocument is deleted from original location. Download Document from Web Archive |