
https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-emu_en.pdf

http://www.ecb.europa.eu/pub/pdf/other/ebart201703_01.en.pdf

https://www.bancaditalia.it/compiti/riserve-portafoglio-rischi/cis/Presentazione_CIS_5.07.2021.pdf?language_id=1