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2. GOST 20522-75. Soils. Method of Statistical Analysis of the Results of Determining Their Characteristics [in Russian], Moscow (1975).
3. A. G. Chernilov and V. N. Urunich, ?Determination of the density of placing soils in earth dams,? Énerg. Stroit., No. 6 (1979).
4. A. G. Chernilov, ?Experience in organizing quality control in constructing the core of an earth dam,? Énerg. Stroit., No. 2 (1987).
5. S. V. Bortkevich, V. I. Vutsel', A. G. Chernilov, and N. F. Roiko, ?Quality control of compaction of earth materials in the construction of high dams,? Gidrotekh. Stroit., No. 5 (1981).