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2. Trattamenti superficiali ef fetuati nel passato;Alessandrini,1988
3. A reassessment of the formation of the patina called scialbatura;Lazzarini;Stud Conserv,1989
4. Oxalate films on the Arch of Galerious (Thessaloniki)—observations, analysis and possible origin;Beloyannis,1996
5. Patine ad ossalato di calcio su monumenti marmorei;Franzini;Rend Soc Ital Mineral Petrol,1984