The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "precise" appeared
2001-12-17 : The ECB's monetary policy strategy and the quantitative definition of price stability2001-05-10 : Introductory statement with Q&A
2000-07-06 : Introductory statement with Q&A
1999-11-04 : Introductory statement with Q&A
1999-10-07 : Introductory statement with Q&A
1998-12-07 : The ESCB's stability-oriented monetary policy strategy