TY  - BOOK
AU  - Pati, J.
AU  - Maheshwari, R.P. Gu.
ED  - Indian Institute of Technology Roorkee, Roorkee, Electrical
TI  - Microcontroller based frequency relay
U1  - 621.3072 
PY  - 2005///
CY  - Roorkee
PB  - Deptt. of Electrical Engg.
ER  -