GROSS, Lynne Schafer. <br/><br/>
Telecommunications: An introduction to Electronic Media 

 - 6th ed. 
 -  London. Brown & Benchmark pub  .          1997 
 - xx,444p.. 
<br/><br/><label>ISBN: </label>697288838 
<br/><br/><label>Dewey Class. No.: </label>302.234