TY  - BOOK
AU  - L. P. Singh
TI  - Digital Protection Protective Relaying from Electromechanical to Microprocessor
SN  - 8122410537
U1  - 105.23 
PY  - 1997///
CY  - New Delhi
PB  - New  Age International Pub.
KW  - BE Computer
ER  -