Matsuoka, K., Hakamada, T., Kiwada, H., Murase, H. and Nishiwaki, S. (2020) “Abundance estimates and trends for humpback whales (Megaptera novaeangliae) in Antarctic Areas IV and V based on JARPA sightings data”, J. Cetacean Res. Manage, (3), pp. 75-94. doi: 10.47536/jcrm.vi.301.