Ahmad, S., F. Ali, M. Sayab, I. Ahmad, and S. Hamidullah. “Structural Geometry of the Himalayan Frontal Thrust Zone: Surghar Range, Pakistan”. Journal of Himalayan Earth Sciences, vol. 32, no. 1, Nov. 1999, pp. 13-23, http://ojs.uop.edu.pk/jhes/article/view/1517.