HARRIS, J.W.; HAWTHORNE, J.B.; OOSTERVELD, M.M. Regional and local variations in the characteristics of diamonds from some southern African kimberlites. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 2, n. 1, p. 135–137, 1977. DOI: 10.29173/ikc967. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/967. Acesso em: 29 mar. 2024.