PRUITT, JR., W. O. Quantitative differentiation of types of feeding craters of Rangifer tarandus fennicus. Rangifer, [S. l.], v. 12, n. 1, p. 29–32, 1992. DOI: 10.7557/2.12.1.1022. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1022. Acesso em: 27 jan. 2022.