TY  - BOOK
AU  - Mason, John.R
TI  - Switch engineering handbook
SN  - 0-07-040769-X
U1  - 621.317 MAS 
PY  - 1993///
CY  - NEWYORK
PB  - MCGRAW HILL
KW  - ELECTRIC SWITCHGEAR-HANDBOOKS,MANUALS,ETC
ER  -