منوعاتضيف الحلقةTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoمنوعات2013/10/17١٧ أكتوبر ٢٠١٣Professor Dr. Horst Lübbert im Studiointerviewhttps://p.dw.com/p/1A1H6إعلان