001: 2672
003: Starlibrary PMS 4.5
005: 20180420
020: ^a0-07-099341-6
066: ^aJo.A
072: ^aAn introduction to
082: ^a621
100: ^aJohn. C. Hancock
240: ^aAn introduction to the principles of communication theory
245: ^aAn introduction to the principles of communication theory
260: ^c1961
650: ^aof communication theory
650: ^ato the principles