Bozzetti, B. F.; Cabral, M. M. M.; Rosas, F. W. Cub Biometry, Litter Size and Reproductive Period of Giant Oters (Pteronura Brasiliensis) at the Balbina Hydroelectric Reservoir, Amazonas, Brazil. Lat. Am. J. Aquat. Mamm. 2015, 10, 115-121.