Roddy, Dennis, 1931- <br/><br/>
Satellite communications / 
Roddy, Dennis, 1931- 
 - 4th ed. 
 - xii, 636 p. 
<br/><br/><label>ISBN: </label>007125286x 
<br/><br/><label>Dewey Class. No.: </label>621.3825