BICAN-BRIȘAN, N. (2017) “NATURAL RADIATION DUE TO RADON. CASE STUDY: RADON CONCENTRATION IN HOUSES FROM APUSENI MOUNTAINS”, Studia Universitatis Babeș-Bolyai Ambientum, 62(2), pp. 11–18. doi: 10.24193/subbambientum.2017.2.01.