1.
Nguyen CD, Kopeć M, Nowak J. Factors controlling 226Ra, 228Ra and their activity ratio in groundwater – an application in Polish Carpathian mineral waters. geol [Internet]. 2017Feb.16 [cited 2024Nov.21];42(3):337. Available from: https://ggae.agh.edu.pl/index.php/geol/article/view/2020