H. M. McHenry, C. C. Brown, and L. J. McHenry. Fossil hominin ulnae and the forelimb of Paranthropus. American Journal of Physical Anthropology, volume 134, issue 2, pages 209-218, 2007.

R. S. Scott, P. S. Ungar, T. S. Bergstrom, C. A. Brown, F. E. Grine, M. F. Teaford, and A. Walker. Dental microwear texture analysis shows within-species diet variability in fossil hominins. Nature, volume 436, issue 7051, pages 693-695, August 2005.