Digital communications/  (print resources) 
edited by Sharma Deeksha and V. Sharma.- 
 - New delhi:  S.K.Kataria,  c2003. 
 - 670p.:  ill.;  24cm 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>9789350142684 
<br/><br/><label>Source: </label>B-33246 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communications--Digital
<br/><br/><label>LC Class. No.: </label>QA76.16  / .S52.2003