SHAH, M. T. Tourmaline as an evidence of exhalative origin for Besham base metal deposits in northern Pakistan. Journal of Himalayan Earth Sciences, [S. l.], v. 25, n. 1, p. 123-126, 1992. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1435. Acesso em: 4 jan. 2025.