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bookAt: Colet. Trab. Paleontol., Brasília, Departamento Nacional da Produção Mineral By: Duarte L.
journalAt: Mineração e metallurgia, 14, 81 By: Barbosa O.
journalAt: Botanical Gazette, 147, 2 By: Manchester S. R.
journalAt: Plant Systematics and Evolution, 244 By: Kvaček Z., Manchester S. R.
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journalAt: Quartärpaläontologie, 6 By: Nötzold T.
bookAt: Géol. Russ. Eur. Mont. Oural, Londres ; Paris, Londres : J. Murray ; Paris : Bertrand, 2, 3 [Paléontologie] By: Brongniart A. T., Morris J. E.
journalAt: Mémoires du Musée Royal d’Histoire Naturelle de Belgique, 110 By: Stockmans F.
journalAt: Mémoires du Musée Royal d’Histoire Naturelle de Belgique, 76 By: Stockmans F.