Stamoulis, K. C., Z. Tsiligou, X. Aslanoglou, and K. G. Ioannides. “Variation of Both Tritium (3H) and Beryllium (7Be) Concentrations in Air, Rain and Humidity Samples Collected at Ioannina, North-Western Greece”. HNPS Advances in Nuclear Physics 26 (April 1, 2019): 219–222. Accessed June 13, 2025. https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/1823.