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3. A. A. Smetnik, Yu. A. Spiridonov, and E. V. Shein, Migration of Pesticides in Soils (Moscow, 2005) [in Russian].
4. Theories and Methods of Soil Physics Ed. by E. V. Shein and L. O. Karpachevskii (Grif, Moscow, 2007) [in Russian].
5. A. B. Umarova, Candidate’s Dissertation in Biology (Moscow, 1995) [in Russian].