Barker, Forrest L. <br/><br/>
Communications electronics :  systems, circuits and devices / 
Forrest Barker 
 - Englewood Cliffs, N.J. :  Prentice-Hall International,  1987 
 - viii, 676 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0131539825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication