W.M.G.S. Wijesooriya, H.M.T.G.A. Pitawala, H.M.D.N. Priyantha, E.A.N.V. Edirisinghe, M.D. Kalpage, K.S.G.S. Priyadarshanee, J.D.C. Gunasekara; Isotopic Characterization of Selected Bottled Water Sources in Sri Lanka – A Pilot Study; International Symposium on Isotope Hydrology: Sustainable Water Resources in a Changing World; International Atomic Energy Agency, Vienna, Austria; 3rd to 7th July 2023.