000 00266nam a2200109Ia 4500
008 200701s2011 xx 000 0 eng d
100 _aMATH HJ BOLLEAN
245 0 _aUnderstanding power quality problems
260 _bWILEY
_c2011
300 _a541
942 _2ddc
_cGE
_01
999 _c5222
_d5222