TY  - BOOK
AU  - Gupta,J.B.
TI  - Switchgear and Protection 
SN  - 8188458414 (paperback)
U1  - 621.317GUP 
PY  - 1997///
CY  - New Delhi
PB  - S.K Kataria & Sons
KW  - Switching circuits
UR  - http://www.amazon.com/exec/obidos/ASIN/8188458414/chopaconline-20
ER  -