Deasington, Richard J.,  1957- <br/><br/>
A practical guide to computer communications and networking / 
R.J. Deasington. 
 - Chichester :  Ellis Horwood,  1982. 
 - 132 p. ;  24 cm 
 - Computers and their applications. .
<br/><br/>Includes index. Bibliography: p.123-124. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.