Ramamohana Rao, T., Ch. Shanmukha Rao, and K. Sanyasi Rao. “Textural Analysis and Mineralogy of the Black Sand Deposits of Visakhapatnam-Bhimunipatnam Coast, Andhra Pradesh, India”. Journal of Geological Society of India 23, no. 6 (June 1, 1982): 284–289. Accessed September 20, 2024. https://geosocindia.com/index.php/jgsi/article/view/65062.