Stallings, William. <br/><br/>
Data and computer communications / 
William Stallings. 
 - 7th ed., International ed. 
 - Englewood Cliffs, N.J. ;  London :  Prentice Hall,  2003. 
 - xvi, 847 p. :  ill. ;  23cm. 
<br/><br/> Previous ed.: 1999. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780131833111 (pbk.) 0131833111 (pbk.) 
<br/><br/><label>Nat. Bib. No.: </label>GBA357539  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.
<br/><br/><label>Dewey Class. No.: </label>004.6