Advanced communication systems edited by B. J. Halliwell - London Newnes Butterworths 1974 - 276p. illus; index - Standard Telephones and Cables Monograph Series . ISBN: 0-408-00124-0 Subjects--Topical Terms: Communication SatellitesF.D.M. SystemsP.C.M. Systems Universal Decimal Class. No.: 621.396.2 / HAL