Kotov, V. L., Balandin, V. V., Linnik, E. Y., & Balandin, V. V. (2012). Applicability of the local interaction model for determining nonlinear-compressible soil resistance to sphere penetration. Computational Continuum Mechanics, 5(4), 435-442. https://doi.org/10.7242/1999-6691/2012.5.4.51