Baig, M. S., and M.- ul-H. Munir. “Foraminiferal Biostratigraphy of Yadgar Area, Muzaffarabad Azad Kashmir, Pakistan”. Journal of Himalayan Earth Sciences, vol. 40, no. 1, Nov. 2007, pp. 33-43, http://ojs.uop.edu.pk/jhes/article/view/1614.