International Union of Geological Sciences & Martinsson, A. The Silurian-Devonian Boundary: Final rep. of the Comm. on the Silurian-Devonian Boundary within IUGS Comm. on Stratigraphy and a state of the art report for Project Ecostratigraphy.
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Chicago Style (17th ed.) Zitazioa
International Union of Geological Sciences eta Anders Martinsson. The Silurian-Devonian Boundary: Final Rep. of the Comm. on the Silurian-Devonian Boundary Within IUGS Comm. on Stratigraphy and a State of the Art Report for Project Ecostratigraphy.
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MLA (9th ed.) Zitazioa
International Union of Geological Sciences eta Anders Martinsson. The Silurian-Devonian Boundary: Final Rep. of the Comm. on the Silurian-Devonian Boundary Within IUGS Comm. on Stratigraphy and a State of the Art Report for Project Ecostratigraphy.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.