Warner, Emma, Sabrina Brando, and Françoise Wemelsfelder. “Recognising Emotional Expressions in Captive Bottlenose Dolphins: Can Lay Observers Agree Using Qualitative Behavioural Assessment?”. Journal of Zoo and Aquarium Research 10, no. 3 (July 31, 2022): 139–148. Accessed April 19, 2024. https://www.jzar.org/jzar/article/view/601.