GROVES, C.; GRUBB, P. Elephant taxonomy. Pachyderm, [S. l.], v. 7, n. 1, p. 18–18, 1986. DOI: 10.69649/pachyderm.v7i1.639. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/639. Acesso em: 19 may. 2026.