Eleftheriou, G., C. Tsabaris, E. Philis-Tsirakis, E. Kamberi, and R. Vlastou. “Vertical Distribution of 137Cs and Natural Radioactivity in Core Sediments of Thermaikos Gulf, Northwestern Aegean Sea”. HNPS Advances in Nuclear Physics, vol. 17, Nov. 2019, pp. 35-41, doi:10.12681/hnps.2569.