Dumas, Barry M. <br/><br/>
Principles of computer networks and communication 
/ M. Barry Dumas and Morris Schwartz 
 - London :  Pearson,  c2009. 
 - xxix, 519 p. :  some col. ill. ;  25 cm 
<br/><br/>Includes index 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>9780131672642 0131672642 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks
<br/><br/><label>Dewey Class. No.: </label>004.6 DUM