@misc{indirect+measure+of+corrosion+level+based+on+crack+opening, author = {Bossio, A. i Montuori, M. i Bellucci, F. i Lignola, G.P. i Prota, A. i Cosenza, E. i Manfredir, G.}, title = {Indirect measure of corrosion level based on crack opening}, address = {Warszawa}, publisher = {Stowarzyszenie Konserwatorów Zabytków}, date = {2013} }