“Radon-Distribution Measurements With CR-39, LR-115 And CN-85 DeteCtors”. Ibn AL-Haitham Journal For Pure and Applied Sciences 21, no. 1 (September 22, 2017): 45–52. Accessed May 6, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1374.