001: 29174
003: Starlibrary PMS 4.5
005: 20180430
020: ^a978-81-203-3078-8
066: ^aWi.d
072: ^adata communications
082: ^a004.6
100: ^aWilliam A. Covino
240: ^adata and computer communcations
245: ^adata and computer communcations
260: ^c2007
650: ^aoverview
650: ^awide area networks