The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "dual" appeared
2009-11-05 : Introductory statement with the Q&A2009-09-03 : Introductory statement with Q&A
2004-04-01 : Introductory statement with Q&A
2004-03-04 : Introductory statement with Q&A
2003-12-04 : Introductory statement with Q&A
2003-11-06 : Introductory statement with Q&A