000 00288nam a2200109Ia 4500
020 _a9788126530397
100 _aMath HJ Bollen
245 _aUnderstanding Power Quality Problems: Voltage Sags and Interruptions
260 _bWiley India
_aNew Delhi
_c2013
300 _axv+541
942 _cBK
999 _c56945
_d56945