At: Pl. Foss., Paris, Masson By: Emberger L.
journalAt: Review of Palaeobotany and Palynology, 44, 3-4 By: Fairon-Demaret M.
journalAt: Comptes rendus hebdomadaires des séances de l’Académie des Sciences, Paris, 240 By: Grambast N., Grambast L.
journalAt: Mémoires du Musée Royal d’Histoire Naturelle de Belgique, 1906, 3, Art. 4 = Mémoire 12 By: Gürich G.
journalAt: Mémoires de la Société Belge de Géologie, de Paléontologie et d’Hydrologie, Series, Nouvelle Série in 4°, 5 By: Delcourt A. F. L. G., Sprumont G.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 177, 5-6 By: Vozenin-Serra C.
journalAt: Review of Palaeobotany and Palynology, 67, 1-2 By: Vozenin-Serra C., Privé-Gill C.
journalAt: Review of Palaeobotany and Palynology, 68, 1-2 By: Vozenin-Serra C., Privé-Gill C.
journalAt: La Nature, 10, Sem. 2, 479 By: de Saporta G.
journalAt: La Nature, 10, Sem. 2, 482 By: de Saporta G.