00386nam a2200145Ia 450000100060000000300040000600500170001000800410002704000110006804100080007908200190008710000230010624500860012970000250021513998Ost20260507155359.0251113s9999||||xx |||||||||||||| ||eng||  cnitttr  aeng  a621.381bS86E   aSturzburg,  Morris 0aEssentials of communication electronics. /cSturzburg, Morris, Osterheld, William  a Osterheld,  William