TY  - BOOK
AU  - Bollen, H.J.
TI  - Understanding Power Quality Problems : Voltage Sags and Interruptions
SN  - 9788126530397
U1  - 621.31 
PY  - 2014///
CY  - New Delhi
PB  - Wiley India Pvt. Ltd.
KW  - ELEC
KW  - D-14
ER  -