Savidou, A., C. Raptis, and P. Kritidis. “A Study of Greek Building Materials As Indoor Radon Sources”. HNPS Advances in Nuclear Physics 4 (February 19, 2020): 180–195. Accessed May 8, 2024. https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/2884.