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journalAt: Ameghiniana, 27, 1-2 By: Del Fueyo G. M., Archangelsky S., Taylor T. N.
journalAt: Bollettino della Società Geologica Italiana, 56, 1 By: Feruglio E.
journalAt: Geologica Romana, 2 By: Praturlon A.
bookAt: Miss. Sci. R. Accad. Ital. Cufra, Roma, Reale Accademia d'Italia, 3 By: Chiarugi A.
journalAt: Pollen et Spores, 2, 2 By: Florschütz F., Menéndez Amor J.
journalAt: Naturalia Monspeliensia, Series, Botanique, 19 By: Grambast L., Lorch J. W.
journalAt: L’Institut, Section, 1ère Section, Science mathématiques, physiques et naturelles, 16, 753 By: Dunal F.
journalAt: Bulletin de la Société Géologique de France, Series 7 [1971], 13, 1-2 By: Segonzac G.
journalAt: Geobios, 10, 1 By: Poignant A.-F.