HAMIDULLAH, S.; KHAN, M. J. Two clinopyroxenes from Upper Swat: Their chemistry and its petrogenitic implications. Journal of Himalayan Earth Sciences, [S. l.], v. 26, n. 1, p. 35-43, 1993. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1442. Acesso em: 4 jan. 2025.