M. Amin, Y. and H. Mahat, R. (2004) “Soil Radon Exhalation Rate as a Function of Rainfall and Soil Suction Pressure”, Malaysian Journal of Science, 23, pp. 143–146. Available at: http://mjs.um.edu.my/index.php/MJS/article/view/9048 (Accessed: 19 May 2024).