KIRKLEY, M. B.; GURNEY, J. J.; HILL, S. J. Diamond mining on kimberlite dikes of South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 6, n. 1, p. 277–278, 1995. DOI: 10.29173/ikc1861. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/1861. Acesso em: 28 apr. 2024.