1. Adams, D. C., Rohlf, F. J., & Slice, D. E. (2004). Geometric morphometrics: Ten years of progress following the ‘revolution’. Italian Journal of Zoology, 71, 5–16.
2. Andrews, P. (1984). An alternative interpretation of the characters used to define Homo erectus. Courier Forschungs-Institut Senckenberg, 69, 167–175.
3. Antón, S. C. (2001). Cranial growth in Homo erectus. In N. Minugh-Purvis & K. J. McNamara (Eds.), Human evolution through developmental change (pp. 349–380). Baltimore: Johns Hopkins University Press.
4. Antón, S. C. (2002). Evolutionary significance of cranial variation in Asian Homo erectus. American Journal of Physical Anthropology, 118, 801–828.
5. Antón, S. C. (2003). Natural history of Homo erectus. Yearbook of Physical Anthropology, 46, 126–170.