Hung Sung Koh, Jea Eun Jo, Na Hyun Ahn, Jong Hyek Lee, Kwang Seon Kim, and Choong Woo Jin. “Preliminary Study on Genetic Differences Between Two Species of Finless Porpoises, Genus Neophocaena, With Lack of Genetic Divergence Between Two Subspecies of the Narrow-Ridged Finless Porpoise, N. Asiaeorientalis: Cytochrome B Sequence Analyses”. J. Cetacean Res. Manage. 13, no. 3 (February 8, 2023): 195–199. Accessed September 28, 2025. https://journal-iwc-live.netxtra.dev/index.php/jcrm/article/view/536.