HELMSTAEDT, H.; HARRAP, R. Tectonic aspects of the kimberlite - diamond - upper-mantle-sample connection: does a coherent model evolve?. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 7, n. 1, p. 331-335, 1998. DOI: 10.29173/ikc2726. Disponível em: http://ikcabstracts.com/index.php/ikc/article/view/2726. Acesso em: 27 nov. 2020.