Din, F., M. Rafiq, and N. Muhammad. “Triaxial Study of Granites and Limestones from North and South of Peshawar Basin, N.WFP Pakistan”. Journal of Himalayan Earth Sciences, vol. 28, no. 1, Nov. 1995, pp. 15-25, http://ojs.uop.edu.pk/jhes/article/view/1471.