1. P. Jackson, Endangered Species—Tigers, Apple Press, London, 1990.
2. J. Baillie, B. Groombridge, 1996 IUCN Red List of Threatened Animals, IUCN, Gland, 1996.
3. S. Wang, China Red Data Book of Endangered Animals (Mammlia), Science Press, Beijing, 1998.
4. A genetic fingerprinting test for identifying carcasses of protected deer species in China;Fang;Biol. Conserv.,2002
5. Molecular tracking of mountain lions in the Yosemite valley region in California: genetic analysis using microsatellites and faecal DNA;Ernest;Mol. Ecol.,2000