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

 - 4th ed.  
 -  Addison-Wesley  1996 
 - xvi+907 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data communication Networks,computer
<br/><br/><label>Dewey Class. No.: </label>001.60321  HAL