Camargo-Aguilera, Maria Gabriela, et al. “One Black Bear (Ursus Americanus) Connects the Great Sierras: Genetic Evidence”. THERYA, vol. 8, no. 3, Sept. 2017, pp. 277-82, https://therya.mastozoologiamexicana.com/index.php/THERYA/article/view/493.