WALL, F. Comparison of Element Distribution in Rare Earth-Rich Rocks from the Kangankunde and Knombwa Carbonatite Complexes. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 5, p. 446–447, 1991. DOI: 10.29173/ikc2599. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/2599. Acesso em: 21 nov. 2024.