Carlson, A Bruce Communication systems: an introduction to signals and noise in electrical communication / A Bruce Carlson, Paul B. Crilly - 5th ed. - Boston: McGraw-Hill, c2010. - xx, 924p.; illus. Includes index ISBN: 978-007-126332-0 Subjects--Topical Terms: Communication Signals and signaling Dewey Class. No.: 621.382 C824 2010