Cinelli , G., F. Bochicchio, P. Bossew, C. Carpentieri, M. De Cort, V. Gruber, F. Leonardi, T. Tollefsen, and R. Trevisi. “Similarities and Differences Between Radon Surveys across Europe: Results from MetroRADON Questionnaire”. Journal of the European Radon Association, vol. 3, Mar. 2022, doi:10.35815/radon.v3.7605.