The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "logic" appeared
2009-06-05 : Introduction for Session III “Economies of Central and Eastern Europe and the euro” during the National Bank of Poland Conference2008-01-16 : Knowns and unknowns about the creation of economic wealth in the euro area
2007-10-11 : Productivity, structural reforms and globalisation