Narayanan Kutty, T. R., and G. V. Anantha Iyer. 1977. “Mineralogy of Coexisting Zoisite-Clinozoisite and Epidote from Sakarsanahalli, Kolar, Karnataka”. Journal of Geological Society of India 18 (2):78-89. https://geosocindia.com/index.php/jgsi/article/view/63791.