Sherman, Kenneth. <br/><br/>
Data communications :  a user's guide / 
Ken Sherman. 
 - 3rd ed. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  c1990. 
 - xxv, 597 p., [1] folded leaf of plates :  ill. (some col.) ;  24 cm. 
<br/><br/> "A Reston book."  Includes index. 
<br/><br/>Bibliography: p. 568. 
<br/><br/><label>ISBN: </label>0131990926 :  $29.00 
<br/><br/><label>LCCN: </label>89008433  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.
<br/><br/><label>LC Class. No.: </label>TK5105.5  / .S43 1990 
<br/><br/><label>Dewey Class. No.: </label>004.6 SHE 1990