Spilker, J. J., 1933- <br/><br/>
Digital communications by satellite / 
J. J. Spilker, Jr. 
 - Englewood Cliffs, N.J. :  Prentice-Hall /  1977. 
 - xiv, 672 p. :  ill. ;  24 cm. 
<br/><br/>Includes index and bibliography : p. 629-656. 
<br/><br/><label>ISBN: </label>0132141558 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial satellites in telecommunication.<br/>Data transmission systems.