1. Vasenin V.A., 2018. Evaluation of clay deposits physical properties changed regularities in Saint-Petersburg territory and their communication with overconsolidation mechanisms. Geotechnics, Vol. X, No. 3, pp. 70–86. (in Russian)
2. Vasenin V.A., 2018. Evaluation of disturbed parameters of the natural structure of the laboratory samples of clay deposits during engineering and geological surveys in Saint-Petersburg territory and nearest areas. Inzhenernaya geologiya, Vol. XIII, No. 6, pp. 48–65, https://doi.org/10.25296/1993-5056-2018-13-6-48-65. (in Russian)
3. Vasenin V.A., 2019. Clayey soils of Saint-Petersburg oedometric compression. Part 2. Comparison correlation dependencies of Baltic region. Geotechnics, Vol. XI, No. 1, pp. 6–21, https://doi.org/10.25296/2221-5514-2019-11-1-6-21. (in Russian)
4. Mukhin Yu.V., 1965. The processes of compaction of clay sediments (With reference to questions of the geology of oil and gas, hydrogeology and engineering geology). Nedra, Moscow. (in Russian)
5. Andersen A., Kolstad P., 1979. The NGI 54-mm samplers for undisturbed sampling of clays and representative sampling of coarser materials. Proceedings of the International Conference on Soil Sampling, Singapore, 1979, pp. 13–21.