TY  - BOOK
AU  - Theraja, B. L. 
AU  - Theraja, A. K. 
TI  - Textbook of eletrical technology 
SN  - 81-219-0289-4 
U1  - 621.3 
PY  - 2008///
CY  - New Delhi
PB  - S.Chand 
ER  -