Krishna Sree, V. <br/><br/>
Communication systems :  for polytechnic E.C.E- IV semester : second year / 
V. Krishna Sree 
 - Vijayawada :  V.G.S Book links ,  2011. 
 - 4.59 p :  ill.;  24 cm. 
 - Techno Series;  C-09 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> Rs 90.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Telecommunication--switching system
<br/><br/><label>Dewey Class. No.: </label>621.38