FERGUSON, J.; MARTIN, H.; NICOLAYSEN, L.O.; DANCHIN, R.V. Gross Brukkaros: a kimberlite-carbonatite volcano. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 1, p. 107–110, 1973. DOI: 10.29173/ikc860. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/860. Acesso em: 23 nov. 2024.