P. . HERMAN, S. . HARANGI, M. . FEHÉR, I. . FÁBIÁN, and E. . BARANYAI, “THE DEVELOPMENT OF ANALYTICAL METHODS FOR THE ELEMENTAL DETERMINATION OF BIOTIC INDICATORS PRESENT IN AQUATIC ECOSYSTEMS”, Studia UBB Chemia, vol. 62, no. 2, pp. 213–222, Jun. 2017.