GERSTNER, K.; LIESEGANG, A.; HATT, J.-M.; CLAUSS, M.; GALEFFI, C. Seasonal body mass changes and feed intake in spectacled bears (Tremarctos ornatus) at Zurich Zoo. Journal of Zoo and Aquarium Research, [S. l.], v. 4, n. 3, p. 121–126, 2016. DOI: 10.19227/jzar.v4i3.181. Disponível em: https://www.jzar.org/jzar/article/view/181. Acesso em: 21 feb. 2024.