%0 Journal Article
%A Taherpour Khalil Abad, Morteza, Mojtahedin, Elham
%T Biostratigraphic study on calcareous nannofossils in South Gorgan, North of Iran
%J Iranian Journal of Earth Sciences
%V 9
%N 2
%P 146-153
%D 2017
%R 
%U https://sanad.iau.ir/fa/Article/916038