The Great Divides: Ardipithecus ramidus Reveals the Postcrania of Our Last Common Ancestors with African Apes Lovejoy, C. O. ; Suwa, G. ; Simpson, S. W. ; Matternes, J. H. ; White, T. D. Abstract Publication: Science Pub Date: October 2009 DOI: 10.1126/science.1175833 Bibcode: 2009Sci...326...73L