Brewster, R. L.   1932- <br/><br/>
Communication systems and computer networks /  [Book]. 
R.L. Brewster.  
 - Chichester :   New York :   E. Horwood ;   Halsted Press,   1989. 
 - 144 p. :   ill. ;   25 cm. 
 - Ellis Horwood series in electrical and electronic engineering.   Electronic and communication engineering .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [134]-135. 
<br/><br/><label>ISBN: </label>0470214899 (Halsted) 0745805523 0745807453 
<br/><br/><label>LCCN: </label>89011071 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.