TY  - BOOK
AU  - THE ELECTRICITY TRAINING ASSOCIATION
TI  - Power System Protection Volume 4: Digital Protection and Signalling
SN  - 9788190858847
U1  - 621.317 
PY  - 2010///
CY  - New Delhi
PB  - Shankar's Book Agency
KW  - POWER SYSTEM -ELECTRICAL ENGINEERING
ER  -