Mitev , Krasimir, Strahil Georgiev, Ivelina Dimitrova, Vladislav Todorov, Angelika Popova, Chavdar Dutsov, and Benoit Sabot. “Recent Work With Electronic Radon Detectors for Continuous Radon-222 Monitoring”. Journal of the European Radon Association 3 (December 13, 2022). Accessed March 31, 2026. https://radonjournal.net/index.php/radon/article/view/8844.