Barker Forrest L <br/><br/>
Communications electronics :  systems, circuits, and devices / 
Forrest Barker. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1987. 
 - xii, 676 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 647-648. 
<br/><br/><label>ISBN: </label>0131538837 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>LC Class. No.: </label>TK5101