Ahmad S, Rehman Z, Khan S, Wadood B, Haq M, Khan S, et al. Belemnite biostratigraphy of the upper Jurassic to lower Cretaceous strata in the Surghar range, NW Pakistan: Systematic and Paleobiogeographic implications. Iran J Earth Sci. 2021 Jan. 1;13(1):1-13. Available from: https://oiccpress.com/ijes/article/view/5323