Bellini, E., Cirinnà, C., Lunghi, M., Luddi, C., Messina, M., Bergamin, G., … Piščanc, J. (2012). The National Bibliography Number Italia (NBN:IT) Project. A persistent identifier supporting national legal deposit for digital resources. JLIS.It , 3(1). https://doi.org/10.4403/jlis.it-4789