KHAN, M. A. Siluro-Devonian Reef Complex of Ghundai Sar and Vicinity, Jamrud, Khyber Agency. Journal of Himalayan Earth Sciences, [S. l.], v. 4, n. 1, p. 79-82, 1969. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1084. Acesso em: 29 nov. 2024.