Nair, N. G. K., and M. Santosh. “Petrochemistry and Tectonic Significance of the Peralimala Alkali Granite, Cannanore District, Kerala”. Journal of Geological Society of India, vol. 25, no. 1, Jan. 1984, pp. 35-44, https://geosocindia.com/index.php/jgsi/article/view/65291.