1. Chang D H S, 1981. The vegetation zonation of the Tibetan Plateau.Mountain Research and Development, 1(1): 29–48.
2. Feng Zuojian, Cai Guijin, Zheng Changlin, 1986. The Mammals of Tibet. Beijing: Science Press. (in Chinese)
3. Huang Ninglu, 1992. Evaluation on the germplasm resources of wheat in Tibet. In: Proceedings of the First Symposium of the Qinghai-Tibet Plateau Association. Beijing: Science Press, 170–179. (in Chinese)
4. Li Bosheng, 1994. The characteristics and conservation of biodiversity of the Qinghai-Tibet Plateau. In: Proceedings of the First Conference on National Parks and Protected Areas of East Asia and the 41st CNPPA/IUCN Workshop. Beijing: China Environmental Science Press, 635–661. (in Chinese)
5. Liao Ke, 1990 (ed.). The Atlas of the Tibetan Plateau. Beijing: Science Press. (in Chinese)