1. Engineering geology of Norwegean normally-consolidated marine clays as related to settlements of buildings;Bjerrum;Geotechnique,1967
2. The structure of clay and its importance in foundation engineering;Casagrande;Journal of Boston Society of Civil Engineers,1932
3. The determination of the pre-consolidation load and its practical significance. Discussion D-34;Casagrande,1936
4. State of the art: evaluation and interpretation of soil consolidation tests;Crawford,1986
5. O deformatsii loessovykh groontov (Deformation of Loessial Soils);Finayev,1971