TY  - BOOK
AU  - Gupta,J.B.
TI  - Switchgear and protection
SN  - 8188458414
U1  - 621.317 GUP 
PY  - 2004///
CY  - New Delhi
PB  - S.K. Kataria & Sons
KW  - Electric switchgear
KW  - Switching circuits
N1  - Includes index
ER  -