TY  - BOOK
AU  - Sreekanth P V
TI  - Digital Transmission Hierarchies and Networks PDH SDH and OTH 
SN  - 9788173716997
U1  - 621.3 SRE 
PY  - 2013///
CY  - Hydera Bad
PB  - Universities Press
KW  - Digital Transmission
ER  -