The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "stronger" appeared
2002-11-12 : Opening remarks2000-03-02 : Introductory statement with Q&A
1999-12-02 : Introductory statement with Q&A
1999-10-07 : Introductory statement with Q&A
1999-06-02 : Introductory statement with Q&A