The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "principle" appeared
2009-05-07 : Introductory statement with Q&A2005-11-03 : Introductory statement with Q&A
Speeches for : Lucas Papademos, Jean-Claude Trichet where "principle" appeared
2009-05-07 : Introductory statement with Q&A