Investigation of the Effect of Hydrothermal Waters on Radionuclide Activity Concentrations in Natural Marble with Multivariate Statistical Analysis. - Fusun Yalcin; Sezer Unal; Mustafa Gurhan Yalcin; Ozgur Akturk; Sema Bilge Ocak; Suleyman Fatih Ozmen (Symmetry, 2020)