Rama Rao, P., and A. Narasinga Rao. “Petrology and Geochemistry of Hornblendic Rocks from Kanigiri-Gogulapalle Area, Andhra Pradesh”. Journal of Geological Society of India 17, no. 2 (June 1, 1976): 165–180. Accessed September 20, 2024. https://geosocindia.com/index.php/jgsi/article/view/63663.