@article{eprints4779,
            year = {2016},
           pages = {96--104},
       publisher = {Presov, Slovak republic},
           title = {Balanced mineral composition as an indicator of drinking water quality},
         journal = {Journal of acta facultatis  studiorum humanitatis et naturae universiatis  presoviensis. Natural  Science. Biology - Ecology},
          volume = {XLIII},
          author = {????????, ?. ?. and ???????, ?. ?. and ??????, ?. ?.},
             url = {http://eprints.library.odeku.edu.ua/id/eprint/4779/}
}