@article{Simpson2019-tb, author = "S. W. Simpson and N. E. Levin and J. Quade and M. J. Rogers and S. Semaw", title = "Ardipithecus ramidus postcrania from the Gona Project area, Afar Regional State, Ethiopia", year = 2019, journal = "J. Hum. Evol.", volume = 129, pages = "1-45", month = "Apr", keywords = "ardipithecus ramidus, bipedality, ethiopia, gona, hominin, postcrania" } @article{Simpson2015-kb, author = "S. W. Simpson and L. Kleinsasser and J. Quade and N. E. Levin and W. C. McIntosh and N. Dunbar and S. Semaw and M. J. Rogers", title = "Late Miocene hominin teeth from the Gona Paleoanthropological Research Project area, Afar, Ethiopia", year = 2015, journal = "J. Hum. Evol.", volume = 81, pages = "68-82", month = "Apr", keywords = "ardipithecus kadabba, ardipithecus ramidus, hominina, late miocene, orrorin, western ethiopian escarpment", doi = "10.1016/j.jhevol", url = "https://doi.org/10.1016/j.jhevol.2014.07.004" }