Dvorak, John <br/><br/>
Dvorak's guide to PC telecommunications 
John Dvorak 
 - 2nd ed.  
 -  c.1992 
<br/><br/><label>ISBN: </label>0078817870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputers	--MIS, MS COM
<br/><br/><label>Dewey Class. No.: </label>004.616 DVO