C. A. Papachristodoulou, P. A. Assimakopoulos, N.-H. Gangas, and D. T. Karamanis, “Modification of pillared layered clays for scavenging radiostrontium from acidic aqueous environments”, HNPS Adv Nucl Phys, vol. 9, pp. 331–341, Feb. 2020.