Plyaskin V.E. (1984). About a methodology of predatory mammals study under the conditions of mountain nature reserves.
Abstract: Methods of studying large predatory mammals in mountain nature reserves are described. The following was recommended in terms of snow leopard: methods of plotting encounter places based on oral questioning of local communities; counts on the sites of traces (1.5 x 1.5 m) with mellow flat soil with odor lure in the center; obtaining indirect data by analyzing data concerning numbers and herds of ibex.
Plyaskin V.E. (1982). Rare Felidae species in the Chatkal valley of the West Tien Shan.
Abstract: In 1981, rare Felidae species such as snow leopard, Turkistan lynx, and manul (one encounter recorded) were found in the Besh-Aral nature reserve (the Chatkal valley). Illegal hunting and high concentration of people in some places is emphasized to impact the animal populations.