Gasiūnas, Kęstutis, Albinas Mastauskas, and Gendrutis Morkūnas. “Radonas Grunto Ore Ir Patalpose Lietuvoje”. Journal of Civil Engineering and Management 4, no. 4 (December 31, 1998): 316-321. Accessed March 28, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/9449.