1. V. V. Sokolovskii, Statics of a Granular Medium [in Russian], Fizmatgiz, Moscow (1960).
2. V. G. Berezantsev, Density Analysis for Beds of Structures [in Russian], Gosstroiizdat, Leningrad-Moscow (1960).
3. A. I. Kalaev, Bearing Capacity of Beds Beneath Structures [in Russian], Stroiizdat, Leningrad (1990).
4. A. M. Karaulov, Bearing Capacity of Beds Beneath Axisymmetric Foundations [in Russian], Izdatel’stvo Sibirskogo Gosudarstvennogo Universiteta Putei Soobshcheniya, Novosibirsk (2002).
5. Construction Rule And Regulation 2.02.03-83, Beds of Buildings And Structures [in Russian].