Ivashenko, Y. V., P. J. Clapham, and R. L. Brownell Jr. “Soviet Catches of Whales in the North Pacific: Revised Totals”. J. Cetacean Res. Manage. 13, no. 1 (February 8, 2023): 59–71. Accessed September 28, 2025. https://journal-iwc-live.netxtra.dev/index.php/jcrm/article/view/556.