00605naa#a2200181#i#450# EN\\bibl\57700 20240511213904.6 2075-1338 20230313b2023####ek#y0engy0150####ca RU Cation-Exchange Isolation of Americium in the Analysis of Natural Waters by Alpha Spectrometry Journal article Moscow Scientific-Production Enterprise “Dosa” 2023 18 с. Journal article local Анализ воды. 543.3 Poleschuk Aleksandra M. Ovsyannikova Tat'yana M. doza.editorum.ru