TY  - BOOK
AU  - Ram, Badri
AU  - Vishwakarma, D.N
TI  - Power system protection and switchgear
SN  - 9780071077743
U1  - 621.317/RAM/P 
PY  - 2011///
CY  - New Delhi
PB  - Mc Graw Hill
KW  - Protective relays
KW  - Electric circuit-breakers
KW  - Electric power systems--Protection
ER  -