Halsall, Fred <br/><br/>
Data communications, computer networks and open systems 

 - 4th ed 
 - Addison-Wesley, Harlow  1996 
 - xvi,907 
<br/><br/><label>ISBN: </label>981-233-892-7 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>001.64404 Hal