Nair, M. M., and K. T. Vidyadharan. “Rapakivi Granite of Ezhimala Complex and Its Significance”. Journal of Geological Society of India 23, no. 1 (January 1, 1982): 46–51. Accessed October 5, 2024. https://geosocindia.com/index.php/jgsi/article/view/64943.