Held, Gilbert  1943- <br/><br/>
Mastering PC communications software 

 - New York, N.Y. :  Van Nostrand Reinhold,  1993 
 - 189 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNICATIONS SOFTWARE
<br/><br/><label>LC Class. No.: </label>TK5105.9  / H442M