1. The mammals of China and Mongolia [Natural History of Central Asia (W. Granger, ed.)];Allen,1938
2. The second batch of accelerator radiocarbon dates for Upper Cave Site of Zhoukoudian;Chen;Acta Anthropologica Sinica,1992
3. The mammals of Beijing;Chen,2002
4. Revisión de los Sciuridae del Aragoniense y del Rambliense en la fosa de Calatayud-Montalbán;Cuenca Bescós;Scripta Geologica,1988
5. The families and genera of living rodents. British Museum (Natural History) of London,;Ellerman,1940