TY  - BOOK
AU  - Ram Badri
TI  - Power system protection and switchgear
SN  - 007107774X
U1  - 621.317 RAM 
PY  - 2011///
CY  - New Delhi : 
PB  - Tata McGraw Hill Education, 
KW  - Protective relays
KW  - EE, EL
UR  - http://www.amazon.com/Power-System-Protection-Switchgear-Badri/dp/007107774X/ref=sr_1_1?s=books&ie=UTF8&qid=1425446211&sr=1-1&keywords=007107774X
ER  -