Held, Gilbert <br/><br/>
Understanding data communications 

 - Indianapolis  Sams Pub  1996 
 - xv, 504 p.  : ill.  ; 23 cm. 
<br/><br/><label>ISBN: </label>0672309343 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems--Computer networks--Data communication--Digital transmission--Satellite communication--Transmission--Channels--LAN--FC
<br/><br/><label>Dewey Class. No.: </label>004.6  / HEL