Tube fossils from gossanites of the Urals VHMS deposits, Russia: Authigenic mineral assemblages and trace element distributions von Ayupova, N.R., Maslennikov, V.V., Tessalina, S.G., Shilovsky, O.P., Sadykov, S.A., Hollis, S.P., Danyushevsky, L.V., Safina, N.P., Statsenko, E.O.

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Middle Permian cephalopods of the Volga-Ural Region von Barskov, I. S., Leonova, T. B., Shilovsky, O. P.

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Middle Permian cephalopods of the Volga--Ural Region von Barskov, I.S, Leonova, T.B, Shilovsky, O.P

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