Communication technology update / 
by August E. Grant [editor] 
 - Oxford :  Focal,  2004 
 - 372p.  ill. [some b/w];  28cm. 
<br/><br/> Includes diagrams  Includes tables 
<br/><br/><label>ISBN: </label>0240806409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications<br/>Technological change
<br/><br/><label>Dewey Class. No.: </label>621.382 GRA