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Butkalyuk, P. S.; Butkalyuk, I. L.; Tomilin, S. V.; Kupriyanov, A. S.; Abdullov, R. G.; Kolobova, A. A.; Rotmanov, K. V. (June 2021). "A Study of the Interaction of Radium Salts with Construction Materials". Radiochemistry. 63 (3): 307–315. doi:10.1134/S1066362221030085. S2CID235762657.