00254nam a2200109Ia 4500008004100000041000800041082002000049100001400069245004400083260000900127300000800136211209s1978    xx            000 0 und d  aeng  a621.388 N78 GLE  aGLENN M G  aFUNDAMENTALS OF TELEVISION ENGINEERING   c1978  a642