S. Aliu, A. Aliu, E. Aziri, D. Dehari, H. Memedi. DETERMINATION OF HEAVY METALS IN WATER OF LAKE OHRID AND IN FISH SPECIES – Leuciscus cephallus albus. JURIDICAL MASS FOR PROTECTION OF WATERS FROM POLLUTANTS. 9th International Multidisciplinary Scientific GeoConference SGEM2009, 2009, pp. 487-494.