The webapp provides for each item the link on ECB's website.
Speeches for : Eugenio Domingo Solans where "substantial" appeared
1999-07-02 : The monetary policy of the Eurosystem1999-03-25 : The statistical requirements of the ESCB
Speeches for : Eugenio Domingo Solans where "substantial" appeared
1999-07-02 : The monetary policy of the Eurosystem