The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "task" appeared
2011-02-21 : Central banking after the financial crisis2009-11-17 : Financial stability - the role of central banks. A new task? A new strategy? New tools?
2008-03-17 : Bullet Points for intervention delivered at the OECD-IMF Conference on structural reforms