Dumas, M. Barry <br/><br/>
Principles of computer networks and communications / 
M. Barry Dumas, Morris Schwartz. 
 - Upper Saddle River, NJ :  Pearson Prentice Hall,  2009 
 - xxix, 519 p. :  ill. ;  26 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0131672649  RM511.00 9780131672642 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks