TY  - BOOK
AU  - Singh L.P.
TI  - Digital Protection : : Protective Relaying from Electromechanical to Microprocessor 
SN  - 8122405940
U1  - 621.317             
PY  - 1994///
CY  - New Delhi
PB  - Wiley Eastern Limited
KW  - Electrical Controls, Power Electronics, Switching,Protective relay621.317
ER  -