Bertsekas, Dimitri. Gallager, Robert. <br/><br/>
Data networks /Dimitri Bertsekas and Robert Gallager.   

 - New Delhi  PHI  1989 
 - xvi, 486p 
<br/><br/><label>ISBN: </label>0876926103 
<br/><br/><label>Dewey Class. No.: </label>004.65  / N891