JOHNSTON, J.L. Petrology and geochemistry of ultramafic xenoliths from the Jagersfontein mine, O.F.S., South Africa. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 1, p. 181–183, 1973. DOI: 10.29173/ikc879. Disponível em: https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/879. Acesso em: 19 dec. 2025.