001: 2617
003: Starlibrary PMS 4.5
005: 20180420
020: ^a0-13-185778-9
066: ^aLe.M
072: ^aIntroduction
082: ^a621
100: ^aLeon. W. Ouch
240: ^aModern communication system
245: ^aModern communication system
260: ^c1995
650: ^a Signals and Spectra