TY  - BOOK
AU  - Theraja B.L and Theraja A.K 
TI  - Text book of electrical technology 
SN  - 81-219-0289-4 
U1  - 621.3 THE  
PY  - 1999///
CY  - S. chand and company 
PB  - New Delhi 
KW  - ELECTRICAL SCIENCE
ER  -