Introduction to communications technologies : a guide for non-engineers 
Jones, Stephen. 
 -  Aebach Publications.  2003 
 - xvii, 258 pages 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>Dewey Class. No.: </label>621.382 J72i 2003