Trajkovic, Ivana, Gordanic, Vojin, Gordanic, Nemanja, Vidovic, Milka, Rogan, Sasa. "GEOCHEMICAL MAPPING IN SERBIA: ITS ROLE IN ESTABLISHING GEOCHEMICAL BASELINES FOR THE MEASUREMENT OF ENVIRONMENTAL CHANGES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining, 2016, pp. 801-808. https://doi.org/10.5593/sgem2016/b11/s02.101