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Yang, Q. S. (1992). Further study on the geographical distribution of Snow Leopards in Qinghai, China. Xining, China: 7th Int. Snow Leopard Symp.
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Yang, Q. (1992). Further study on the geographical distribution and conservation of snow leopard in Qinghai, P.R. China.
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Yanfa, L., & Huanwen, L. (1986). A preliminary study on the rearing and breeding of ounce. Acta Theriologica Sinica, 6(2), 93–99.
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Yanfa, L., & Bangjie, T. (1988). A Preliminary Study on the Geographical Distribution of Snow Leopards in China. In H.Freeman (Ed.), (pp. 51–63). Interanational Snow Leopard Trust and The Wildlife Institute of India.
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Yanfa, L. (1985). A preliminary investigation into the geographic distribution of the snow leopard Panthera uncia Schreber. Acta Theriologica Sinica, 5(3), 184–188.
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Yanfa, L. (1994). Snow leopard distribution, purchase locations and conservation in Qinghai Province, China. In J.L.Fox, & D.Jizeng (Eds.), (pp. 65–72). Usa: Islt.
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Yanfa, L. (1994). The care, breeding and diseases of snow leopards in Qinghai, China. In J.L.Fox, & D.Jizeng (Eds.), (pp. 167–175). Usa: Islt.
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Yakhontov A.A. (1950). Fauna of mountains.
Abstract: Ibex, whose population has reduced due to over-hunting, inhabits the alpine meadow zone in Uzbekistan. Ibex had entirely disappeared in some areas. Wild sheep, a common inhabitant of the alpine zone, has drastically decreased in number. Marhur can still be found in the mountains of Kugitang and Babatang. Wild sheep is a common species for the alpine zone. Predator animals such as snow leopard, bear, and sometimes wolf and fox can be found in this zone. A typical inhabitant of highlands is marmot an object of fur-trade.
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Yachontov A.A. (1970). The cats – Felidae.
Abstract: It describes Felidae family species (lion, tiger, leopard, snow leopard, lynx, cheetah): identification features, life-history characteristics, type of habitat, diet and distribution.
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