1. Youny C C. On the Insectivora, Chiroptera, Rodentia and Primates other than Sinanthropus from Locaality 1 at Choukoutien. Pal Ser C, 1934, 8: 58–70
2. Zheng S H. Micromammals from the Hexian Man locality (in Chinese). Vertebrata Palasiatica, 1983, 21: 230–238
3. Memoirs of Institute of Vertebrate Palaeontology and Palaeoanthropology, Acdemia Sinica;S. S. Zhang,1993
4. Huang W B. Cave deposit and fissure-filling sequence of China (in Chinese). Quat Sci, 2000, 20: 155–164
5. Reynolds S C, Clarke R J, Kuman K A. The view from the Lincoln Cave: mid- to late Pleistocene fossil deposits from Sterkfontein hominid site, South Africa. J Human Evol, 2007, 53: 260–271