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2. The Earth’s Loess Cover and Its Properties, Ed. by V.T. Trofimov (MGU, Moscow, 2001) [in Russian].
3. E. V. Kadyrov, Loess Soils: Origin and Construction Properties (Uzbekistan, Tashkent, 1979) [in Russian].
4. N. I. Kriger, N. K. Kotel’nikova, S. I. Lavrusevich, et al., Regularities in the Development of Subsidence Properties of Loess Soils in Central Asia and Southern Kazakhstan (Nauka, Moscow, 1981) [in Russian].
5. V. T. Trofimov, Geoekologiya, No. 1, 45 (1999).