TY  - BOOK
AU  - Uppal, S. L., Rao, S.
AU  - Rao, S. 
TI  - Electrical Power Systems: Generation, Transmission, Distribution, Protection And Utility  
SN  - 0
U1  - 621.31 
PY  - 2011///
CY  - New Delhi; 
PB  - Khanna pubishers 
ER  -