170917 Interview Hans Werner Sinn - MP3-StereoTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMario Dobovisek (DLF), Ioannis Papadimitriou17/09/201717 Σεπτεμβρίου 2017https://p.dw.com/p/2k7gTΔιαφήμιση