Schiffmann, Christian, Marcus Clauss, Stefan Hoby, and Jean-Michel Hatt. “Visual Body Condition Scoring in Zoo Animals – Composite, Algorithm and Overview Approaches”. Journal of Zoo and Aquarium Research 5, no. 1 (January 31, 2017): 1–10. Accessed March 28, 2024. https://jzar.org/jzar/article/view/252.