LUPULESCU, Alexandru; DICU, Tiberius; PAPP, Botond; CUCOŞ, Alexandra. DETERMINATION OF THE MONTHLY VARIATION OF RADON ACTIVITY CONCENTRATION IN SOIL. Studia Universitatis Babeș-Bolyai Ambientum, [S. l.], v. 63, n. 1, p. 49–59, 2018. DOI: 10.24193/subbambientum.2018.1.05. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbambientum/article/view/1251. Acesso em: 5 feb. 2025.