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https://www.bancaditalia.it/compiti/riserve-portafoglio-rischi/cis/Presentazione_CIS_5.07.2021.pdf?language_id=1
https://www.economiesuisse.ch/de/print/pdf/node/48305
https://www.tni.org/files/publication-downloads/marketforces-report-tni-statewatch.pdf