Halsall, Fred. <br/><br/>
Data communications computer network and open system  

 - 4th edition. 
 - New Delhi :  Addison Wesley Longman,  2007 
 - 907. 
<br/><br/><label>ISBN: </label>9812358927 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data processing computer science
<br/><br/><label>Dewey Class. No.: </label>004.6  / HAL