M. R. Lague, H. Chirchir, D. J. Green, E. N. Mbua, J. W. K. Harris, D. R. Braun, N. L. Griffin, and B. G. Richmond. Humeral anatomy of the KNM-ER 47000 upper limb skeleton from Ileret, Kenya: Implications for taxonomic identification. Journal of Human Evolution, volume 126, pages 24-38, 2019.