MCFADDEN, P.L. A palaeomagnetic study of the De Beers diamond mine. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 1, p. 221–223, 1973. DOI: 10.29173/ikc890. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/890. Acesso em: 5 may. 2024.