JAN, M. Q. Notes on the Igneous Rocks of Spinkai and Adjacnt Area of Tirah, Khyber Agency. Journal of Himalayan Earth Sciences, [S. l.], v. 7, n. 1, p. 73-78, 1975. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1118. Acesso em: 28 nov. 2024.