DU, T. Reappraisal of black rhinoceros subspecies. Pachyderm, [S. l.], v. 6, n. 1, p. 5–9, 1986. DOI: 10.69649/pachyderm.v6i1.621. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/621. Acesso em: 29 apr. 2026.