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Upper Permian spore-pollen complexes of the Southwestern Part of the Tungusk Coal Basin. [ Verkhnepermskie sporovo-pyl'tsevye kompleksy Yugo-Zapadnoy Chasti Sungusskogo Uglenosnogo Basseyna. ] Trudy Sibirskoye Otdeleniye,Institut Zemnoi Kory,Akademiya Nauk SSR.Voprosy Biostratigrafii i Paleogeografii Sibirskoy Platformy
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