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Yolkin, Bakharev & Alekseenko |
2000 |
Emsian (Lower Devonian) ammonoids and tentaculites from the Kuvash reference section from the Gornyi Altai (southern West Siberia)
Novosti paleontologii i stratigrafii, Prilozhenie k zhurnalu "Geologiya i Geofizika", 2-3, pp. 189-193, Novosibirsk.
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