1. Li H J, Zhang Q C, Zhu H. The size variation and related implications of mandibles in northern China in the past 7000 years. Chin Sci Bull, 2012, 57: 387–394
2. Xi H J, Chen Z. Anthropometric Methods (in Chinese). Beijing: Science Press, 2010. 145–156
3. Wu R K, Wu X Z, Zhang Z B, et al. Anthropological Study Nationalities of Hainan Island, China (in Chinese). Beijing: Ocean Press, 1993. 31–32
4. Zheng L B, Lu S H, Zhao X G, et al. Age Changes of physical characteristic of Hui nationality in Ninxia (in Chinese). J Inner Mongolia Normal Univ (Nat Sci Ed), 1997, 25: 66–71
5. Zheng L B, Lu S H, Bao J P, et al. Age variations of head-face morphological traits of Hakka in Guangdong Province (in Chinese). J Zhejiang Univ (Med Sci), 2012, 250–258