Air pollution impact on carbonate building stones in Italian urban sites⋆ Giorgia Vidorni, Alessandro Sardella, Paola De Nuntiis, Francesca Volpi, Adelaide Dinoi, Daniele Contini, Valeria Comite, Carmela Vaccaro, Paola Fermo and Alessandra Bonazza Eur. Phys. J. Plus, 134 9 (2019) 439 Published online: 10 September 2019 DOI: 10.1140/epjp/i2019-12943-0