ARMSTRONG, J. Karowe diamond mine: a world-class source of large exceptional diamonds. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 11, 2017. DOI: 10.29173/ikc3991. Disponível em: http://ikcabstracts.com/index.php/ikc/article/view/3991. Acesso em: 19 oct. 2020.