Radhakrishna, B. P. “U, Th and K Distributions Inferred from Regional Geology and the Terrestrial Radiation Profiles in India”. Journal of Geological Society of India 30, no. 3 (September 1, 1987): 245–245. Accessed September 21, 2024. https://geosocindia.com/index.php/jgsi/article/view/66135.