C. Zanolli, L. Pan, J. Dumoncel, O. Kullmer, M. Kundr\'at, W. Liu, R. Macchiarelli, L. Mancini, F. Schrenk, and C. Tuniz. Inner tooth morphology of Homo erectus from Zhoukoudian. New evidence from an old collection housed at Uppsala University, Sweden. J. Hum. Evol., Elsevier, volume 116, pages 1-13, March 2018. S. Xing, D. Guatelli-Steinberg, M. O'Hara, X. Wu, W. Liu, and D. J. Reid. Perikymata distribution in Homo with special reference to the Xujiayao juvenile. Am. J. Phys. Anthropol., volume 157, issue 4, pages 684-693, August 2015. X.-J. Wu, L. A. Schepartz, W. Liu, and E. Trinkaus. Antemortem trauma and survival in the late Middle Pleistocene human cranium from Maba, South China. Proc. Natl. Acad. Sci. U. S. A., National Acad Sciences, volume 108, issue 49, pages 19558-19562, December 2011.