FitzGerald, Jerry,  1936- <br/><br/>
Business data communications  basic concepts, security, and design /  [[Book] :] 
Jerry FitzGerald. 
 - 4th.ed. 
 - New York :  Wiley,  1993. 
 - 722, 52 p.  :  ill. (some col.) ;  24 cm. 
 - Wiley series in computers and information processing systems for business .
<br/><br/>Includes bibliographical references and index. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>0471599832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.<br/>Office practice--Automation.
<br/><br/><label>Dewey Class. No.: </label>004.6 
<br/><br/><label>National Library of Medicine Call No.: </label> / F B