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S. W. Simpson, L. Kleinsasser, J. Quade, N. E. Levin, W. C. McIntosh, N. Dunbar, S. Semaw, and M. J. Rogers. Late Miocene hominin teeth from the Gona Paleoanthropological Research Project area, Afar, Ethiopia. J. Hum. Evol., volume 81, pages 68-82, April 2015.

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C. O. Lovejoy, S. W. Simpson, T. D. White, B. Asfaw, and G. Suwa. Careful climbing in the Miocene: the forelimbs of Ardipithecus ramidus and humans are primitive. Science, volume 326, issue 5949, pages 70e1-8, October 2009.

G. Suwa, R. T. Kono, S. W. Simpson, B. Asfaw, C. O. Lovejoy, and T. D. White. Paleobiological implications of the Ardipithecus ramidus dentition. Science, volume 326, issue 5949, pages 94-99, October 2009.

C. O. Lovejoy, G. Suwa, S. W. Simpson, J. H. Matternes, and T. D. White. The great divides: Ardipithecus ramidus reveals the postcrania of our last common ancestors with African apes. Science, volume 326, issue 5949, pages 100-106, October 2009.

C. O. Lovejoy, S. W. Simpson, T. D. White, B. Asfaw, and G. Suwa. Careful climbing in the Miocene: the forelimbs of Ardipithecus ramidus and humans are primitive. Science, volume 326, issue 5949, pages 70e1-8, October 2009.

G. Suwa, R. T. Kono, S. W. Simpson, B. Asfaw, C. O. Lovejoy, and T. D. White. Paleobiological implications of the Ardipithecus ramidus dentition. Science, volume 326, issue 5949, pages 94-99, October 2009.

N. E. Levin, S. W. Simpson, J. Quade, T. E. Cerling, and S. R. Frost. Herbivore enamel carbon isotopic composition and the environmental context of Ardipithecus at Gona, Ethiopia. The geology of early humans in the Horn of Africa, Geological Society of America Special Paper, volume 446, pages 215-234, 2008.

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