At: Review of Palaeobotany and Palynology, 189 By: Mohr B. A. R., Coiffard C., Bernardes-de-Oliveira M.
journalAt: Acta Palaeobotanica, 42, 2 By: Wójcicki J. J., Kvaček Z.
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journalAt: Abhandlungen des Zentralen Geologischen Instituts, 26 By: Jähnichen H.
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