The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "unsustainable" appeared
2011-10-12 : Economic adjustment in a monetary union2010-11-16 : The new normal
2010-03-08 : Is the global economy headed for a lost decade? A European perspective
2009-06-25 : EMU - Weathering the perfect storm
2009-06-05 : Introduction for Session III “Economies of Central and Eastern Europe and the euro” during the National Bank of Poland Conference