TY  - BOOK
AU  - Singh,L P
TI  - DIGITAL PROTECTION
SN  - 8122405940
U1  - 621.381537 
PY  - 1994///
CY  - 
PB  - Wiley Eastern,New Delhi
KW  - Protective Relays
KW  - Electric Relays
N1  - Includes Index
ER  -