001: 982
003: Starlibrary PMS 4.5
005: 20180430
020: ^a0-13-120271-5
066: ^aWi.N
072: ^aApplications and standards
082: ^a005.8
100: ^aWilliam Stallings
240: ^aNetwork security Essentials: Applications and standards
245: ^a ^b Applications and standards
260: ^c2003
650: ^a Network security Essentials