001: 956
003: Starlibrary PMS 4.5
005: 20180430
020: ^a0-13-185778-9
066: ^aLe.M
072: ^abaseband pulse and digital signaling
082: ^a621.382
100: ^aLeon W. Couch
240: ^aModem Communication systems
245: ^aModem Communication systems
260: ^c1995
650: ^alinear systems and digital signaling
650: ^asignals and spectra