Duck, Michael. <br/><br/>
Data communications and computer networks :  for computer scientists and engineers / 
Michael Duck & Richard Read. 
 - 2nd ed. 
 - New Delhi :  Pearson,  2009. 
<br/><br/>Includes glossary ; bibliography & index. 
<br/><br/><label>ISBN: </label>9788131726082 (pbk.) 
<br/><br/><label>LCCN: </label>2003043357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.<br/>OSI (Computer network standard)
<br/><br/><label>LC Class. No.: </label>TK5105.5  / .D89 2003 
<br/><br/><label>Dewey Class. No.: </label>004.6  / DUC