Black, Uyless <br/><br/>
Computer networks :   Protocolos, standards, and interfaces 

 - 2nd 
 - New Delhi :  Prentice-Hall,  1993. 
 - xii,436p. 
<br/><br/><label>ISBN: </label>8120310411 
<br/><br/><label>Source: </label> Textual