Duck, Michael. <br/><br/>
Data communications and computer networks : for computer scientists and engineers 

 - 2nd ed. 
 - xx, 415 pages :  illustrations ;  24 cm 
<br/><br/>ncludes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0130930474  RM398.06 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>OSI (Computer network standard)<br/>Data transmission systems.
<br/><br/><label>Dewey Class. No.: </label>004.621