Green, James Harry,  <br/><br/>
The Irwin handbook of telecommunications 

 - 4th. ed. 
 - xxxii, 844 pages :   illustrations ;   25 cm 
<br/><br/><label>ISBN: </label>0071355545 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications systems - United States ; Business enterprises - United States - Communications systems
<br/><br/><label>Dewey Class. No.: </label>621.38221