00457nam 2202549 45000010005000000030023000050050009000280080041000370820008000780720025000860200018001111000016001292600020001452500006001652450029001716500025002006500025002256500015002502549StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aAmplitude Modulation a0-07-063495-5 aLloyd Temes bschaum\s c1979 a6 aElectronic communication aAmplitude Modulation aFrequency Modulation aTelevision