Jan, M. Q., A. Laghari, and M. A. Khan. “Petrography of the Nagar Parkar Igneous Complex, Tharparkar, Southeast Sindh”. Journal of Himalayan Earth Sciences, vol. 30, no. 1, Mar. 1997, pp. 227-49, http://ojs.uop.edu.pk/jhes/article/view/1508.