001: 75710
003: Starlibrary PMS 4.5
005: 20180420
020: ^a81-7224-344-8
066: ^aWi.T
072: ^atelecommunications
082: ^a621
100: ^aWilliam Mitchell
240: ^aTelecommunications System and Applications
245: ^aTelecommunications System and Applications
260: ^c1995
650: ^a title