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2. New radiolarian genera and species from the Lower Permian of the Southern Urals and northern Mugodzhary;Afanasieva;Paleontol. J.,2016
3. Radiolarians in Carboniferous stratigraphy and paleogeography in Eastern Europe (PreCaspian and Southern Cis-Urals);Afanasieva;Lithosphere,2002
4. Automated stratigraphic correlation;Agterberg,1990
5. Paleozoic radiolarian biostratiraphy;Aitchison;Geodiversites,2017