Natural and Anthropogenic Origin Sulphate in an Mountainous Groundwater System: S and O Isotope Evidences.Published in:Water, Air & Soil Pollution, 2006, v. 173, n. 1-4, p. 81, doi. 10.1007/s11270-005-9028-3By:Jezierski, Piotr;Szynkiewicz, Anna;Jsunędrysek, Mariusz-OrionPublication type:Article