BELTRÁN, Marta L.; STEVENSON, Pablo R. Twins and infanticide in red howler monkeys inhabiting a fragment in western Orinoquia. Neotropical Primates, Arlington, VA, USA, v. 19, n. 1, p. 41–42, 2012. DOI: 10.1896/044.019.0109. Disponível em: https://primate.socgen.ucla.edu/index.php/multivitaminic/article/view/752.. Acesso em: 13 mar. 2025.