SREEKANTH,P.V <br/><br/>
DIGITAL TRANSMISSION HIERACHICS AND NETWORKS, PDH,SDH,OTH 

 - HYDERABAD  UNIVERSITIES PRESS  2010 
 - xviii+532p.,23X17Cms 
<br/><br/><label>ISBN: </label>978817371 699 7 
<br/><br/><label>Dewey Class. No.: </label>621.38195404 S7746