Miller, E.R.; B.R. Benefit; M.L. McCrossin; J.M. Plavcan; M.G. Leakey; A.N. El-Barkooky; M.A. Hamdan; M.K. Abdel Gawad; S.M. Hassan & E.L. Simons (2009). "Systematics of early and middle Miocene Old World monkeys". J Hum Evol. 57 (3): 195–211. Bibcode:2009JHumE..57..195M. doi:10.1016/j.jhevol.2009.06.006. PMID 19640562. /w/index.php?title=E._R._Miller&action=edit&redlink=1