Fiore S, Santaloia F, Santarcangelo R, Tateo F, 1996, Mineralogy and geochemistry of argillites from Flysch Rosso Formation (soouthern Apennines)., Spanish-Italian Meeting on Clays and Clay Minerals, pp. 106–107, Granada (Spain), 19-21 September 1996,
URL: http://www.cnr.it/prodotto/i/243874

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