TY  - BOOK
AU  - Sreekanth, P V
TI  - Digital transmission hierarchies and networks PDH, SDH and OTH
SN  - 9788173716997
U1  - 621.3821 
PY  - 2010///
CY  - Hyderabad
PB  - Universities Press
KW  - Digital transmission
KW  - Electronic communication
N1  - reprint 2013
ER  -