BELL, R.; KELSALL, J.; RAWLUK, M.; AVERY, D. Tracing ivory to its origin: microchemical evidence. Pachyderm, [S. l.], v. 12, n. 1, p. 29–31, 1989. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/689. Acesso em: 22 jul. 2024.