Taherpour Khalil Abad, M. and Mojtahedin, E. (2017) “Biostratigraphic study on calcareous nannofossils in South Gorgan, North of Iran”, Iranian Journal of Earth Sciences, 9(1), pp. 146–153. Available at: https://oiccpress.com/ijes/article/view/5805 (Accessed: 17 June 2025).