HILLMAN, S. Further notes on pygmy and forest elephants. Pachyderm, [S. l.], v. 13, n. 1, p. 47–48, 1990. DOI: 10.69649/pachyderm.v13i1.709. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/709. Acesso em: 27 apr. 2026.