THACKERAY, Francis J. Alpha and sigma taxonomy of Pan (chimpanzees) and Plio-Pleistocene hominin species. South African Journal of Science, [S. l.], v. 114, n. 11/12, 2018. DOI: 10.17159/sajs.2018/a0291. Disponível em: https://sajs.co.za/article/view/5823. Acesso em: 19 apr. 2024.