1. Theories and Methods of Soils Physics, Ed. by E. V. Shein and L. O. Karpachevskii (Grif i K, Moscow, 2007) [in Russian].
2. E. V. Shein, A. L. Ivanov, M. A. Butylkina, and M. A. Mazirov, “Spatial and temporal variability of agrophysical properties of gray forest soils under intensive agricultural use,” Eurasian Soil Sci. 34, 512–517 (2001).
3. E. V. Shein, E. Yu. Milanovskii, D. D. Khaidapova, A. I. Pozdnyakov, Z. N. Tyugai, T. N. Pochatkova, and A. V. Dembovetskii, Practical Manual on Physics of Soil Solid Phase (Buki Vedi, Moscow, 2017) [in Russian].
4. R. Horn and J. Rostek, “Subsoil compaction process—state of knowledge,” Adv. Geoecol., No. 32, 44–54 (2000).
5. K. H. Hartke, “The reference base for compaction state of soils,” Catena, No. 11, 73–77 (1988).