Black, U. D <br/><br/>
Data communication and distributed networks 

 - 3RD 
 - NEWDELHI  PRENTICE HALL  1997 
 - XVI, 426P 
<br/><br/><label>ISBN: </label>81-203-0925-1 
<br/><br/><label>Dewey Class. No.: </label>004.6 BLA'D