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Hans Peter Trettin

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Pre-Carboniferous geology of the northern part of the Arctic Islands: Hazen Fold Belt and adjacent parts of Central Ellesmere Fold Belt, Ellesmere Island
Middle Ordovician to Lower Devonian Deep-water Succession at Southeastern Margin of Hazen Trough, Cañon Fiord, Ellesmere Island: Middle Ordovician to lower Devonian deep-water succession at southeastern margin of Hazen Trough, Cañon Fiord, Ellesmere Island
Middle Ordovician to Lower Devonian Deep-water Succession at Southeastern Margin of Hazen Trough, Cañon Fiord, Ellesmere Island: Middle Devonian cystiphyllid corals from the Hume Formation, Northwestern Canada
Hans Peter Trettin — Books & Biography | Menrva Books