Nair, N. G. K., Soman, K., Santosh, M., Arakelyants, M. M., & Golubyev, V. N. (1985). K-Ar Ages of Three Granite Plutons from North Kerala. Journal of Geological Society of India, 26(9), 674–676. Retrieved from https://geosocindia.com/index.php/jgsi/article/view/65842