1. Physics, chemistry, and mechanics of frozen ground: A review;Anderson,1973
2. Permafrost investigation along Quinghai-Xizang Highway;Du,1965
3. Moisture Transfer and Cryogenic Textures in Fine Grained Soils;Ershov,1979
4. Ice formation in the seasonally thawing layer;Lagov,1978
5. The world of underground ice;Mackay;Assoc. Am. Geogr. Ann.,1972