HAWTHORNE, J.B. Model of a kimberlite pipe. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 1, p. 163–166, 1973. DOI: 10.29173/ikc874. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/874. Acesso em: 27 apr. 2024.