Lyubimova 1962. Ostracoda and their role in the stratigraphy of the Jurassic deposits of Povolzh'ya and Obshchego Syrta. Transactions all Union Soviet definition of a unified stratigraphic scheme for the Mesozouc deposits of the Russian Platform 3., Transactions all Union Soviet definition of a unified stratigraphie scheme for the Mesozoic deposits of the Russian Platform 3. Trudy VNIGNI 29 3 1961: 185-188. [In Russian].", 1962: 185-188. Chapter pagination: 185-188