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Pb/Pb zircon ages from the Hunsrück Slate Formation (Bundenbach, Rhenish Massif) : a contribution to the age of the Lower/Middle Devonian boundary | Kirnbauer, Thomas; Reischmann, Thomas | 2001 | |
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Welches Alter hat der Hunsrückschiefer? | Kirnbauer, Thomas; Reischmann, Thomas | 2000 |