TY  - BOOK
AU  - Lythall,R.T.
TI  - The J. and P. switchgear book: an outline of modern switchgear...
U1  - 621.3173 
PY  - 1963///
CY  - London
PB  - Johnson and Philips
KW  - Electric switchgear
KW  - Switching circuits
KW  - Switching theory
N1  - Includes index
ER  -