TY  - BOOK
AU  - Madhava Rao, T. S.
TI  - Power system protection  static relays: with microprocessor applications
U1  - 621.317/RAO/P 
PY  - 1989///
CY  - New Delhi
PB  - Mc Graw Hill
KW  - Static relays
KW  - Electric power systems--Protection
ER  -