Freeman, Roger L. <br/><br/>
Practical data communications / 
Roger L. Freeman. 
 - Second edition. 
 - xxxi, 825 pages :  illustrations ;  24 cm. 
 - Wiley series in telecommunications and signal processing .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471393029 (cloth : alk. paper) 0471392731 
<br/><br/><label>LCCN: </label>00043692  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.
<br/><br/><label>LC Class. No.: </label>TK5105  / .F72 2001 
<br/><br/><label>Dewey Class. No.: </label>004.6