MCKINLAY, F.; ROBERTS, M. Deep delineation evaluation drilling methods, Jwaneng mine, Botswana. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 11, 2017. DOI: 10.29173/ikc3952. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/3952. Acesso em: 20 jun. 2021.