Dvorak, John C <br/><br/>
Dvorak' S Guide to PC Telecommunications 

 - 2nd 
 - New York  McGraw Hill  1992 
<br/><br/><label>ISBN: </label>0-07-881787-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing
<br/><br/><label>Dewey Class. No.: </label>005.71  / DVO