Stallings, William. <br/><br/>
Data and computer communications / 
William Stallings. 
 - 7th ed. 
 - New Delhi. :  Pearson Education,  2006 
 - 855 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [815]-822) and index. 
<br/><br/><label>ISBN: </label>0131006819 
<br/><br/><label>LCCN: </label>2003051281 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>LC Class. No.: </label>TK5105  / .S73 2004 
<br/><br/><label>Dewey Class. No.: </label>004.6