Bleazard,G.B <br/><br/>
Handbook of data communications 

 - NCC IT International editions 
 - New Delhi  Bookmen Associates  1984 
 - 497p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>0-85012-363-1 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Data transmission systems  Computer network 
<br/><br/><label>Dewey Class. No.: </label>621.39(02)