Das Entstehen der Radio-Amateurbewegung in den Zwanziger Jahren http://www.cast.uni-linz.ac.at/Department/Publications/2007/RB_Radioamateurwesen.doc Info via A-DX Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print Related