The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "nis" appeared
2009-01-15 : Introductory statement with Q&A2007-07-05 : Introductory statement with Q&A
2007-05-10 : Introductory statement with Q&A
2006-06-08 : Introductory statement with Q&A