Wissenschaft 04 01 2012( Dr.G.Getahun Nuklearchemiker aus Mainz über "IYC 2011") - MP3-StereoTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoYewhala, Tekle25 ታኅሣሥ 2004ረቡዕ፣ ታኅሣሥ 25 2004https://p.dw.com/p/13dy3ማስታወቂያ