TY  - BOOK
AU  - Ram, Badri 
AU  - Vishwakarma, D. N. 
TI  - Power System Protection And Switchgear 
SN  - 9780074623503
U1  - 621.317 
PY  - 2009///
CY  - New Delhi; 
PB  - Tata McGraw Hill Education Private Limited 
ER  -