SMITH, Andrew. Contributions to the Natural History of South Africa, &c. South African Quarterly Journal, Cape Colony, v. 1, n. 5, p. 9–24, 1831. DOI: 10.21504/saqj.15.2588. Disponível em: https://journal.ru.ac.za/index.php/saqj/article/view/2588. Acesso em: 15 jan. 2026.