Sapre, S.D Singh, S.P  <br/><br/>
Communication system: analog and digital  

 - Tata mcgraw hill   New Delhi   2000 
 -  0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNICATION SYSTEM 
<br/><br/><label>Dewey Class. No.: </label>621.382 SAP