Citation: Ec. Hellgren et al., SERUM CHEMISTRY OF SOUTHERN-POPULATIONS OF BLACK BEARS (URSUS-AMERICANUS), The American midland naturalist, 137(1), 1997, pp. 95-105
Citation: Dl. Doancrider et Ec. Hellgren, POPULATION CHARACTERISTICS AND WINTER ECOLOGY OF BLACK BEARS IN COAHUILA, MEXICO, The Journal of wildlife management, 60(2), 1996, pp. 398-407