V. L. Kotov, V. V. Balandin, E. Y. Linnik, and V. V. Balandin, “Applicability of the local interaction model for determining nonlinear-compressible soil resistance to sphere penetration”, ВМСС, vol. 5, no. 4, pp. 435–442, Dec. 2012, doi: 10.7242/1999-6691/2012.5.4.51.