NAIDOO, P.; STIEFENHOFER, J.; FIELD, M.; DOBBE, R. Recent advances in the geology of Koffiefontein mine, Free State Province, South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 8, 2003. DOI: 10.29173/ikc3207. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/3207. Acesso em: 23 apr. 2024.