The webapp provides for each item the link on ECB's website.
Speeches for : Jorg Asmussen where "billion" appeared
2013-11-21 : Europe 2014 - an outlook from the ECB2013-06-11 : Introductory statement by the ECB in the proceedings before the Federal Constitutional Court
2013-04-25 : Saving the euro
2012-03-27 : Exchange of Views on the Economic and Social Crisis in Greece