SHAH, M. T.; LECHLER, P. J. Geochemical exploration in the Dir and Swat Kohistan, northern Pakistan. Journal of Himalayan Earth Sciences, [S. l.], v. 37, n. 1, p. 41-57, 2004. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1573. Acesso em: 2 feb. 2025.