1. Chapron, G., Legendre, S., 2002. Some insights into snow leopard (Uncia uncia) demography by using stage-structured population models. In: Monographic: Proceedings of the Snow Leopard Survival Summit Place of Meeting. Seattle, WA.
2. The illegal trade in snow leopards: a global perspective;Dexel,2002
3. Editorial Commitee of Ecological Environment of Sanjiangyuan Nature Reserve ed., 2002. Ecological environment of Sanjiangyuan Nature Reserve. Qinghai People’s Publishing House, Xining, China.
4. EIA, 2012. Briefing on snow leopards in illegal trade – Asia’s forgotten cats. Environmental Investigation Agency, p. 2.
5. Survival rates and causes of mortality of Amur tigers on and near the Sikhote-Alin Biosphere Zapovednik;Goodrich;J. Zool.,2008