Pilakouta, M., F. K. Pappa, D. L. Patiris, C. Tsabaris, and C. A. Kalfas. “Radioactivity Measurements in Granite Samples Using NaI(Tl) Spectrometry”. HNPS Advances in Nuclear Physics 25 (April 1, 2019): 122–128. Accessed May 2, 2024. https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/1962.