1. Zeleznye rudy KMA: monografiya / pod red. V.P. Orlova, I.A. SHevyreva, N.A. Sokolova [Iron ores of KMA]. M., ZAO «Geoinformmark» Publ., 2001. 616 p. (In Russian).
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3. Zerkal’ O.V., Fomenko I.K. Otsenka vliyaniya anizotropii svoystv gruntov na ustoychivost’ sklonov [Evaluation of the influence of anisotropy of soil properties on slope stability]. Inzhenernyye izyskaniya [Engineering Surveys], 2013, no. 9, pp. 44-50. (In Russian)
4. Zerkal’ O.V., Fomenko I.K. Opolzni v skal’nykh gruntakh i otsenka ikh ustoychivosti [Landslides in rocky soils and an estimation of their stability]. Inzhenernaya geologiya [Engineering geology], 2016, no. 4, pp. 4-21. (In Russian)
5. Crouch S., Starfield A. Methods of boundary elements in the mechanics of a rigid body. (Russ. ed.: Krauch S., Starfild A., translation from English: Tleuzhanova M. A., Lin’kova A. M. Metody granichnykh elementov v mekhanike tverdogo tela. Moscow, Mir, Publ., 1987, 328 p.).