Mughal, Muhammad Ashraf, Abdul Ghani Sarhan, Earnest H. Gilmour, and Obaid-Ur- Rahman. 1981. “Carbonate Petrography and Microfacies of a Portion of the Samana Suj Formatin, Kohat Range, Pakistan”. Journal of Himalayan Earth Sciences 14 (1):73-84. http://ojs.uop.edu.pk/jhes/article/view/1157.