NAIR, K V Somasekharan; CHELLAM, A. ABNORMAL STING-RAY CAUGHT OFF CALICUT. Indian Journal of Fisheries, India, v. 18, n. 1 & 2, p. 193–195, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJF/article/view/13188. Acesso em: 22 oct. 2025.