EU-TE 130609 DW "PISA"To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoPfister, Sandra12.06.200912. Juni 2009deutsch: EU-TE 130609 DW "PISA" - Produziert: 12.06.2009 - 12:04:24 von Pfister, Sandrahttps://p.dw.com/p/I82yAnzeige