FESQ, H.W.; KABLE, E.J.D.; GURNEY, J.J. Some aspects of the geochemistry of kimberlites from the Premier Mine, Transvaal, South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 1, p. 115–118, 1973. DOI: 10.29173/ikc862. Disponível em: https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/862. Acesso em: 19 dec. 2025.