ERLANK, A.J. Kimberlite potassic richterite and the distribution of potassium in the upper mantle. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 1, p. 103–106, 1973. DOI: 10.29173/ikc859. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/859. Acesso em: 3 may. 2024.