001: 28599
003: Starlibrary PMS 4.5
005: 20180420
020: ^a1-56276-129-3
066: ^aFr.h
072: ^aCmmunication by Wire
082: ^a004
100: ^aFrank J.Derfler
240: ^ahow networks work
245: ^ahow networks work
260: ^c1993
650: ^a Computers and Telephones Together
700: ^a JR