Balandin, V. V., Bragov, A. M., Krylov, S. V., & Tsvetkova, Y. V. (2010). Experimental and theoretical study of penetration of spheroconical bodies into a sand target. Computational Continuum Mechanics, 3(2), 15-23. https://doi.org/10.7242/1999-6691/2010.3.2.13