Hancock, John C., 1929- An introduction to the principles of communication theory. - New York, McGraw-Hill, 1961. - x, 253 p. illus. 24 cm. - McGraw-Hill electrical and electronic engineering series . Includes bibliography. LCCN: 60016727 Nat. Bib. No.: GB61-12669 Subjects--Topical Terms: Telecommunication.Information theory. LC Class. No.: TK5101 / .H28 Dewey Class. No.: 621.382 HAN