Shay, William A. <br/><br/>
Understanding data communications and networks / 
William A. Shay. 
 - Boston :  PWS Pub. Co.,  c1995. 
 - xvi, 600 p. :  ill. (some col.) ;  24 cm. 
 - The PWS series in computer science .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534202446 9780534202446 
<br/><br/><label>LCCN: </label>94031432  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>LC Class. No.: </label>TK5105  / .S49 1995 
<br/><br/><label>Dewey Class. No.: </label>004.6