http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an introduction to signals and noise in electrical communication
xiii, 850 pages: illustrations; 24 cm.
A. Bruce Carlson, Paul B. Crilly, Janet C. Rutledge.
McGraw Hill series in electrical engineering. Communications and signal processing