Shrader, Robert L.  <br/><br/>
Electronic communication / 
Robert L. Shrader. 
 - 6th ed. 
 - Singapore :  Glencoe | Macmillan/ McGraw- Hill Book Co.  c 1991. 
 - xiii, 713 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780071136655 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics.<br/>Radio.
<br/><br/><label>Dewey Class. No.: </label>621.3  / SHR