00421nam a2200133Ia 4500008004100000041000800041082001600049100002000065245003400085260001900119365000700138999001900145952012300164230303s9999    xx            000 0 und d  aeng  a621.384 SMI  aSMITH (JACK R.)  aModern Communication Circuits  aNew DelhibTMH  cRS  c179442d179442  00104070aECDbECDcSHELF NO 31 - Ad2023-03-03g250.00l0o621.384 SMIpEB5844r2023-03-03 00:00:00w2023-03-03yBK