Ha,Tri T <br/><br/>
Digital satellite communications 

 - 2nd ed 
 - McGraw - Hill, New York  1990 
 - xxi,641p figs. 
<br/><br/><label>ISBN: </label>0-07-100752-0 
<br/><br/><label>Dewey Class. No.: </label>621.380422 Ha