TY  - BOOK
AU  - Therala B
TI  - A Textbook Of Electrical Technology In S.I Units Vol.4:Elect Ronic Devices & Circuits
SN  - 81-219-1141-9
AV  - TK 146.T54 2000 
CY  - New Delhi
KW  - Ac & Dc Machines
ER  -