M. Nawaz, U. B. Nisar, S. A. A. Bukhari, and S. Khan, “Petrophysical analysis of Lockhart Limestone with porosity and thickness correlation of exposed Lockhart Limestone at Nathia Gali with subsurface Lockhart Limestone of Chanda deep-01 well in Upper Indus basin”, jhes, vol. 48, no. 1, pp. 59-63, Mar. 2015.