Helmers,Scotta <br/><br/>
Data communications  A beginner's guide to concepts and technology 

 - New Jersey  Prentice Hall  
 - xviii     558  Soft Binding 
<br/><br/> Faculty, students and Staff 
<br/><br/><label>ISBN: </label>9780131988705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Engineering--Data,  communications
<br/><br/><label>Dewey Class. No.: </label>621.3981 HEL  / HEL