TIMISJÄRVI, Jouni; NIEMINEN, Mauri; NIKANDER, Sven. Characteristics of the reindeer electrocardiogram. Rangifer, Tromsø, Norway, v. 2, n. 2, p. 36–40, 1982. DOI: 10.7557/2.2.2.412. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/412. Acesso em: 30 may. 2026.