00550nam a2200181Ia 450000100060000000300040000600500170001000800410002704000110006804100080007908200190008710000230010624500860012970000250021594200070024099900170024795201040026413998Ost20260507155359.0251113s9999||||xx |||||||||||||| ||eng||  cnitttr  aeng  a621.381bS86E   aSturzburg,  Morris 0aEssentials of communication electronics. /cSturzburg, Morris, Osterheld, William  a Osterheld,  William  cBK  c13877d13877  00104070aNITTTRbNITTTRd2026-05-07l0o621.381 S86Ep18894r2026-05-07 15:53:59w2026-05-07yBK