Housley Trevor <br/><br/>
Data communications and teleprocessing systems 

 - 2ND Ed. 
 -  Bs Publications  2005 
 - 474p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INFORMATION TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>621.3822