1. Vertical and horizontal zonation of high-altitudinal permafrost;Cheng,1983
2. The distribution of permafrost in the Qilian Mountains;Cheng,1987
3. An Assessment of Climate Change Impact on Snowcover, Glaciers and Permafrost in China,1997
4. Subpermafrost Water and Permafrost in Southern Yakutian Basian;Fotiev,1965
5. Geocryological Conditions in Central Siberia;Fotiev,1974