(1)
Utreras B., V.; Suárez R., E. . R.; Zapata-Ríos, G. R.; Lasso, G. .; Pinos, L. Dry and Rainy Season Estimations of Giant Otter, <i>Pteronura brasiliensis</I>, Home Range in the Yasuní National Park, Ecuador. Lat. Am. J. Aquat. Mamm. 2005, 4, 191-194.