Skordas, K., G. Papastergios, A. Filippidis, and N. Kantiranis. “A GEOCHEMICAL INVESTIGATION OF SOILS, APPLES AND LEAVES IN AGIA AREA, CENTRAL GREECE”. Bulletin of the Geological Society of Greece, vol. 50, no. 4, July 2016, pp. 2271-80, doi:10.12681/bgsg.14293.