Altshuler, P., et al. , translators. “Influence of the Repulsion of Twin Impactors on Granular Craters: Preliminary Experiments”. Revista Cubana De Física, vol. 43, no. 1, July 2026, pp. 40-42, https://www.revistacubanadefisica.org/index.php/rcf/article/view/112.