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journalAt: Series of reports dealing with the systematic geology and paleontology of Maryland / Maryland Geological Survey, 1 By: Hollick A.
bookAt: Pl. Foss. Nov., Veronae, typis Ramanzinianis By: Massalongo A.
journalAt: Notas del Museo / Facultad de Ciencias Naturales y Museo, Universidad Nacional de Eva Perón, Series, Paleontologia, 17, 102 By: Frenguelli J.
journalAt: Anais da Academia Brasileira de Ciências, 58, Supplemento By: Czajkowski S., Rösler O.
bookAt: Pl. Fos., Cluj-Napoca, Editura Dacia By: Petrescu I., Dragastan O. N.
journalAt: Le Naturaliste, 26, Serie 2, 18, 423 By: Fritel P.-H.
journalAt: Le Naturaliste, 27, Series 2, 19, 430 By: Fritel P.-H.
journalAt: Meddelelser om Grønland, 19 By: Hartz N.
journalAt: Annales de la Société Géologique de Belgique, Series, Mémoires in quarto, 1921-1922, 4, 1 By: Gilkinet A.