TY  - BOOK
AU  - Rao , T S Madhava.
TI  - Power system protection static relays : with microprocessor applications 
SN  - 0074603078 
U1  - 621.3191 
PY  - 1994///
CY  - New Delhi
PB  - Tata Mcgraw Hill
KW  - Applied physics
ER  -