RAMAMOHANA RAO, T.; SHANMUKHA RAO, Ch.; SANYASI RAO, K. Textural Analysis and Mineralogy of the Black Sand Deposits of Visakhapatnam-Bhimunipatnam Coast, Andhra Pradesh, India. Journal of Geological Society of India, [S. l.], v. 23, n. 6, p. 284–289, 1982. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/65062. Acesso em: 20 sep. 2024.