H. Forestell, Paul, Gregory D. Kaufman, and Milani Chaloupka. “Long Term Trends in Abundance of Humpback Whales in Hervey Bay, Australia”. J. Cetacean Res. Manage., no. 3 (October 22, 2020): 237-241. Accessed April 21, 2021. https://journal.iwc.int/index.php/jcrm/article/view/321.