Gagliardi, Robert M. Satellite communications / Robert M. Gagliardi - New Delhi : CBS Publishers, c1987. - xviii, 474 p. : ill. ; 24 cm. ISBN: 8123909195 LCCN: Subjects--Topical Terms: Artificial satellites in telecommunication LC Class. No.: TK5104 / .G33 1987 Dewey Class. No.: 621.38254 / G135s