TY  - BOOK
AU  - Theraja B.L and Theraja A.K 
TI  - Text book of electrical technology Vol 2 
SN  - 81-219-1142-7 
U1  - 621.3 THE  
PY  - 1999///
CY  - S. chand company 
PB  - New Delhi 
KW  - ELECTRICAL SCIENCE
ER  -