Lewis, Geoff <br/><br/>
Communications systems:  engineer's choices / 
by Geoff Lewis 
 - 3rd ed. 
 - Oxford :  Butterworth Heinemann,  1999. 
<br/><br/><label>ISBN: </label>0240514947 
<br/><br/><label>Subjects--Index Terms: </label>Communication System Engineering Systems - Communications 
<br/><br/><label>Dewey Class. No.: </label>621.382