%0 Journal Article %T Biostratigraphical investigation of calcareous nannofossils: The middle Paleogene to early Neogene strata from the eastern parts of Iran (Median Tethys sea-way) %A Ghavidel Darestani, Mina %A Hadavi, Fatemeh %A Parandavar, Mohammad %A احمدرضا خزایی %J Russian Journal of Earth Sciences %@ 1681-1208 %D 2021