Stallings, William <br/><br/>
Data and computer communications/ 
/ William Stallings 
 - 7th ed. (International ed.) 
 - Upper Saddle River, N.J.   : Pearson Education   : Pearson Prentice Hall  , [2004] 
 - XVI, 847 p.   ; 24 cm 
<br/><br/><label>ISBN: </label>0131833111 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Redes de ordenadores
<br/><br/><label>LC Class. No.: </label>TK5105  / .S73 2004