Qasim, M., Khan, M. A., & Haneef, M. (2014). Stratigraphic characterization of the Early Cambrian Abbottabad Formation in the Sherwan area, Hazara region, N. Pakistan: Implications for Early Paleozoic stratigraphic correlation in NW Himalayas, Pakistan . Journal of Himalayan Earth Sciences, 47(1), 25-40. Retrieved from http://ojs.uop.edu.pk/jhes/article/view/1680