Imre, E., Illes, Z., Balint, A., Gonzales, H., Repassy, L., Quynh Huong, D. T., Lopez, L. L., Barreto, D., Guida, G., Datcheva, M., Baillie, W., & Singh, V. P. (2022, May). The permeability variables of granular matter. Presented at VIth International Symposium-2022 “Biosphere & Environmental Safety”, Obuda University, Hungary