Spencer, D.A., J.G. Ramsay, C. Spencer-Cervato, U. Pognante, M.N. Chaudhry, and M. Ghazanfar. 1990. “High Pressure (Eclogite Facies) Metamorphism in the Indian Plate, NW Himalaya, Pakistan”. Journal of Himalayan Earth Sciences 23 (1):87-100. http://ojs.uop.edu.pk/jhes/article/view/1375.