001: 78539
003: Starlibrary PMS 4.5
005: 20180430
020: ^a0-87709-507-8
066: ^aGa.b
072: ^acommunications media
082: ^a650.028
100: ^aGary B. Shelly
240: ^abusiness data communications: introductory concepts and techniques
245: ^a ^b introductory concepts and techniques
260: ^c1995
650: ^acommunications terminals
650: ^afundamentals of eata communications
700: ^aJudy A. Hill
700: ^athomas j. cashman