TY  - BOOK
AU  - Singh, L. P.
AU  - Singh, L. P.
TI  - Digital protection :  protective relaying from electromechanical to microprocessor    
SN  - 8122410537
AV  - 621.31 SIN 1997 
U1  - 621.31 SIN 1997 
PY  - 1997///
CY  - New Delhi
PB  - New AGE
KW  - Electronic Engineering
ER  -