Elío Javier, Crowley Quentin, Scanlon Ray, Hodgson Jim, Long Stephanie, Cooper Mark, and Gallagher Vincent. “Application of Airborne Radiometric Surveys for Large-Scale Geogenic Radon Potential Classification”. Journal of the European Radon Association 1 (September 17, 2020). Accessed April 24, 2024. https://radonjournal.net/index.php/radon/article/view/4358.