TY - JOUR A1 - ????????, ?. ?. A1 - ???????, ?. ?. A1 - ??????, ?. ?. JF - Journal of acta facultatis studiorum humanitatis et naturae universiatis presoviensis. Natural Science. Biology ? Ecology SP - 96 Y1 - 2016/// AV - public TI - Balanced mineral composition as an indicator of drinking water quality PB - Presov, Slovak republic UR - http://eprints.library.odeku.edu.ua/id/eprint/4779/ VL - XLIII EP - 104 ID - eprints4779 ER -