TY  - BOOK
AU  - Rao, T S Madhava
TI  - Digital / Numerical Relays
SN  - 70588554
U1  - 621.38 
PY  - 2008///
CY  - New Delhi
PB  - Tata Mc Graw Hill
KW  - Electronics & Communication
KW  - Numerical Relays
ER  -