00405nam 2202617 45000010005000000030023000050050009000280080041000370820008000780720017000860200018001031000018001212600025001392450032001646500017001966500024002132617StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aIntroduction a0-13-185778-9 aLeon. W. Ouch bPrentice Hall c1995 aModern communication system aIntroduction aSignals and Spectra