Halsall, F <br/><br/>
Data communications,computer networks & open systems 

 - 4th edition. 
 - New York  :  Addision Wesley,  1999. 
 - xvi,907 
<br/><br/><label>ISBN: </label>981-233-892-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer EngineeringInformation Technology
<br/><br/><label>Dewey Class. No.: </label>004.6  / HAL