FLOOD, Peter F.; TEDESCO, Susan C. Relationship between Conception Date and Latitude in Muskoxen. Rangifer, Tromsø, Norway, v. 17, n. 1, p. 25–30, 1997. DOI: 10.7557/2.17.1.382. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/382. Acesso em: 22 apr. 2026.