Tran, Thanh, Tao Chau, Laurent Ferreux, and Marie Lépy. “Improvement of the Detection Limit by Radon Background Reduction Method”. Science and Technology Development Journal 19, no. 4 (December 31, 2016): 126-130. Accessed December 27, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/623.