Felix Hüfner: The German Banking System: Lessons from the financial crisis, Economic Department Working Papers No.788, OECD 2010, P.8. OECD Workingpapers; accessed: 13.06.2011
Felix Hüfner: The German Banking System: Lessons from the financial crisis, Economic Department Working Papers No.788, OECD 2010, P.9. OECD Workingpapers; accessed: 13.06.2011