https://www.boeckler.de/pdf/p_imk_report_139_2018.pdf
file:///C:/Users/cooma_000/Downloads/EconPol_Policy_Report_02_2017_German_Account_Surplus.pdf
https://wiiw.ac.at/fighting-depreciation-and-inflationary-pressures-dlp-6733.pdf
https://www.imk-boeckler.de/download-proxy-for-faust/download-pdf?url=http%3A%2F%2F217.89.182.78%3A451%2Fabfrage_digi.fau%2Fp_imk_pb_98_2020.pdf%3Fprj%3Dhbs-abfrage%26ab_dm%3D1%26ab_zeig%3D9110%26ab_diginr%3D8482