@article{
  author = {Taherpour Khalil Abad, Morteza, Mojtahedin, Elham},
  title = {Biostratigraphic study on calcareous nannofossils in South Gorgan, North of Iran},
  journal = {Iranian Journal of Earth Sciences},
  year = {2017},
  volume = {9},
  issue = {2},
  pages = {146-153},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/916038}
}