Carr, Houston H <br/><br/>
Data communications and network security/ 
Houston H. Carr; Charles A. Snyder 
 - New Delhi:  TMH;  2007 
 - 526p. 
<br/><br/><label>ISBN: </label>9780070636552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>networking
<br/><br/><label>Subjects--Index Terms: </label>data communications 
<br/><br/><label>Dewey Class. No.: </label>004.7 CAR