Lafrance, Pierre. Fundamental concepts in communication / Pierre Lafrance. - Englewood Cliffs, N.J. : Prentice Hall, c1990. - xiv, 432 p. : ill. ; Includes index. Bibliography: p. 423-428. ISBN: 0133357384 Subjects--Topical Terms: Telecommunication.Information theory. Dewey Class. No.: 621.38