1. Il’yushin, A.A. and Lensky, V.S., Soprotivlenie materialov (Strength of Materials), Moscow: Fizmatgiz, 1959.
2. Drescher, A., Vardoulakis, I., and Han, C., A Biaxial Apparatus for Testing Soils, Geotech. Testing J., 1990, vol. 13, no. 3, pp. 226–234.
3. RF State Standard GOST 12248.4-2020. Soil. Deformability in Compression.
4. RF State Standard GOST 12248.1-2020. Soil. Strength in Single-Plane Shearing.
5. Adushkin, V.V. and Orlenko, T.A., Strength and Decompaction of Sandy Soil in Shearing, Mekh. Tverd. Tela, 1971, no. 2, pp. 167–171.