KHAN, A. M.; KIM, S. J. Mineralogy of Halloysite from Suryun, Korea. Journal of Himalayan Earth Sciences, [S. l.], v. 24, n. 1, p. 63-70, 1991. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1391. Acesso em: 4 jan. 2025.