Kennedy, George. <br/><br/>
Electronic communication systems / 
George Kennedy, Bernard Davis. 
 - 4th ed. 
 - Lake Forest, Ill. :  Glencoe, Macmillan/McGraw-Hill,  1993. 
 - xv, 763 p. :  ill. 
<br/><br/>
<br/><br/><label>ISBN: </label>0028005929 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.