MARSHALL, T.R. The Diamondiferous Gravels of the Southwestern Transvaal, South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 5, p. 254–256, 1991. DOI: 10.29173/ikc2531. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/2531. Acesso em: 28 mar. 2024.