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

 - xi, 308p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0333646894 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems
<br/><br/><label>LC Class. No.: </label>TK5105  / .S58 1998