Banks. Michael A. <br/><br/>
The modem reference 

 - New York  : Brady Publishing,  1992 
 - xli,815p.  ; 23cm. 
<br/><br/><label>ISBN: </label>156686027X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modems
<br/><br/><label>LC Class. No.: </label>TK5103.B36