00484pamaa2200157 4500 0000022774 20060614090000.0 047155796X (hbk) 621.3825 GOR 1993 TK5104 GOR 1993 GORDON Principles of communications satellites Gary D. Gordon and Walter L. Morgan. New York: John Wiley, 1993. xxxiii, 533p.; 25cm. Artificial sateelites in telecommunication Morgan, Walter L.