222Rn and 226Ra activity concentrations in groundwaters of southern Poland: new data and selected genetic relations - Przylibski, Tadeusz A.; Gorecka, Joanna; Kula, Agata; Fijałkowska-Lichwa, Lidia; Zagożdżon, Katarzyna; Zagożdżon, Paweł; Miśta, Wojciech; Nowakowski, Robert (Journal of Radioanalytical and Nuclear Chemistry: An International Journal Dealing with All Aspects and Applications of Nuclear Chemistry, 2014)