1. Vyalov S.S. Reologicheskie osnovi mechaniki [Rheological fundamentals of soil mechanics]. Moscow, High School, 1978, 447 p.
2. Goldshtein M.N. Mehanicheskie svoystva gruntov: napryazenno- deformativnie i prochnostnie harakteristiki [Mechanical properties of soils: stress-deformation and strength characteristics]. Moscow, Stroyizdat Publ, 1979, 304 p
3. Pokrovskiy G.I. Issledovaniya po fizike gruntov [Research on the physics of soils]. Moscow, Gl.red stroit lit Publ., 93 p
4. Ter-Martirosyan Z.G. Mehanika gruntov [Soil mechanics]. ASB Publ., 2005, 488 p.
5. Zitovich N.A. Mehanika gruntov [Soil mechanics]. Moscow, High school Publ., 1983, 288 p.
6. Matthews M.C. The engineering application of direct and simple shear testing. Ground engineering. V. 21, no.2. 1988, pp. 13-21. (in Russian)



