Herrero, P. P. (2009) “First find of kristiansenite in spain: comparison with the type specimen by non-destructive techniques”, Estudos Geológicos, 19(2), p. 135–139. Disponível em: https://periodicos.ufpe.br/revistas/estudosgeologicos/article/view/259839 (Acesso em: 26 agosto 2026).