1. Shear modulus, time dependent soil property;Anderson;Dynamic Geotech. Testing. ASTM STP,1978
2. On the compressibility and shear strength of natural clays;Burland;Géotechnique,1990
3. The structure of clay and its importance in foundation engineering;Casagrande;J. Boston Soc. Civ. Eng.,1932
4. Engineering Properties of Loess and Loessial Loams (in Russian);Denisov,1951
5. Collapse of loess upon wetting;Feda;Eng. Geology,1988