Gross  <br/><br/>
Telecommunications : an introduction to electronic media  
/ Lynne Schafer Gross. 
 - 7th ed.. 
 - Boston  McGraw Hill  2000. 
 - xxv, 438p.  ill.  23cm 
 - McGraw-Hill series in mass communication and journalism .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0697355063 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.382 GRO 2000