Ha, Tri T. Digital satellite communications / by Tri T. Ha. - 2nd Ed. - New Delhi: Tata McGraw-Hill c1990 [2011]. - xxv, 641 p.: Includes Index. ISBN: 9780070077522 0070077525 Subjects--Topical Terms: Digital TelecommunicationsSatellite communications Dewey Class. No.: 621.382 / HAD