Held, Gilbert <br/><br/>
Data communication components  characteristics, operation, applications 

 - New Jersey  Hayden book company  1979 
 - xii, 267p.  24cm. 
<br/><br/><label>ISBN: </label>0810451263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INTERFACING AND COMMUNICATIONS<br/>COMPUTER SCIENCE
<br/><br/><label>Dewey Class. No.: </label>004.6  / HEL