TY  - GEN
AU  - Uppal, S.L. 
AU  - Rao, Sunil S.
TI  - Electrical power systems: generation, transmission, distribution, protection and utilisation of electrical energy 
SN  - 9788174092380
U1  - 621.31 
PY  - 1987///
CY  - Delhi
PB  - Khanna Publishers
N1  - Including appendix-1&2
ER  -