P. Jayaksankar, A. A. Krishnan, M. Rajagopalan, and P. K. Krishnakumar, “A note on observations on cetaceans in the western Indian sector of the Southern Ocean (20-56°S and 45-57°30’E), January to March 2004”, JCRM, vol. 9, no. 3, pp. 263–267, Feb. 2023.