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Donatelli, Ugo and Tramontana, Mario (2012) Jurassic carbonate depositional systems of the Mt. Catria-Mt. Acuto area (Umbria-Marche Apennines, Italy). Italian journal of geosciences, 131 (1). pp. 3-18. ISSN 2038-1727
Donatelli, Ugo and Tramontana, Mario and Venturi, Federico (2010) First record of ammonites in the Bonarelli Level (uppermost Cenomanian) of the Umbria-Marche Succession. Italian journal of geosciences, 129 (1). pp. 69-73. ISSN 2038-1727