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bookAt: Rech. Ossemens Foss., Paris & Amsterdam, G. Dufour et E. d'Ocagne, Nouvelle, 2, 2 By: Cuvier G., Brongniart A.
bookAt: Descr. Géol. Paris, Paris, G. Dufour et E. d'Ocagne By: Cuvier G., Brongniart A.
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journalAt: Botanical Gazette, 18, 4 By: Knowlton F. H.