Pratt, Timothy & Bostian, Charies W <br/><br/>
Satellite communications 

 - John  wiley & sons, New York  1986 
 - xviii,m472p 
<br/><br/><label>ISBN: </label>9971-513-22-6 
<br/><br/><label>Dewey Class. No.: </label>384.51 Pra/Bos