@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"
}


@article{Cerling2010-ck,
  author = "T. E. Cerling and N. E. Levin and J. Quade and J. G. Wynn and D. L. Fox and J. D. Kingston and R. G. Klein and F. H. Brown",
  title = "Comment on the paleoenvironment of Ardipithecus ramidus",
  year = 2010,
  journal = "Science",
  volume = 328,
  number = 5982,
  pages = "1105;authorreply1105",
  month = "May"
}


@inproceedings{Levin2008-dr,
  author = "N. E. Levin and S. W. Simpson and J. Quade and T. E. Cerling and S. R. Frost",
  title = "Herbivore enamel carbon isotopic composition and the environmental context of Ardipithecus at Gona, Ethiopia",
  year = 2008,
  booktitle = "The geology of early humans in the Horn of Africa",
  publisher = "Geological Society of America Special Paper",
  volume = 446,
  pages = "215-234",
  isbn = "978-0-8173-2446-1"
}