00372nam a2200121Ia 4500008004100000041001200041082001100053100000600064245012800070260003600198300000800234650000800242221030s9999    xx            000 0 und d  aEnglish  a105.23  a- 4aThe Encyclopeadia of Radio & Television : A Complete Alphabetical Reference to all Aspects of Modern Radio Technologycby -  bOdhams Press Ltd.aLondonc1950  a768  aECE