Duck, Michael. <br/><br/>
Data communications and computer networks :  for computer scientists and engineers /  [Book]. 
Michael Duck and Richard Read.  
 - 2nd ed. 
 - Harlow, England ;   New York :   Pearson/Prentice Hall,   2003. 
 - xx, 415 p. :   ill. ;   24 cm. 
<br/><br/>Includes bibliographical references (p. 399-400) and index. 
<br/><br/><label>ISBN: </label>0130930474 
<br/><br/><label>LCCN: </label>2003043357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.<br/>OSI (Computer network standard)