TAHIRKHELI, R. A. K. Recent Observation on the Undifferentiated Attock Group. Journal of Himalayan Earth Sciences, [S. l.], v. 2, n. 2, p. 10-23, 1965. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1066. Acesso em: 29 nov. 2024.