Held, Gilbert <br/><br/>
Dictionary of communication technology:   terms, definitions and abbreviations / 
Gilbert Held 
 - Third edition 
 - x, 692 pages ;  illustrations ;  25 cm 
<br/><br/><label>ISBN: </label>00471975176 9780471975175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications--Dictionaries
<br/><br/><label>Dewey Class. No.: </label>621.38