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Cappitelli, F.; Principi, P.; Pedrazzani, R.; Toniolo, L.; Sorlini, C. (2007). „Bacterial and fungal deterioration of the Milan Cathedral marble treated with protective synthetic resins”. Science of the Total Environment. 385 (1–3): 172—81. Bibcode:2007ScTEn.385..172C. PMID17658586. doi:10.1016/j.scitotenv.2007.06.022.
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Cappitelli, F.; Principi, P.; Pedrazzani, R.; Toniolo, L.; Sorlini, C. (2007). „Bacterial and fungal deterioration of the Milan Cathedral marble treated with protective synthetic resins”. Science of the Total Environment. 385 (1–3): 172—81. Bibcode:2007ScTEn.385..172C. PMID17658586. doi:10.1016/j.scitotenv.2007.06.022.