The webapp provides for each item the link on ECB's website.
Speeches for : Lorenzo Bini Smaghi where "sustainability" appeared
2010-07-09 : Imbalances and sustainability in the euro area (slides from the presentation)2010-06-18 : The financial and fiscal crisis: a euro area perspective
2010-06-11 : Europe, the United States and the new challenges to the global economy
2008-04-04 : Financial stability and monetary policy: Challenges in the current turmoil