Simmonds, Andrew <br/><br/>
Data communications and transmission principles  an introduction 

 - London  Macmillan Publishing  1988 
 - ix,303p. 
<br/><br/><label>ISBN: </label>0333646894  £18.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Data communication
<br/><br/><label>Dewey Class. No.: </label>004.6  / SIM