000 00271nam a2200121Ia 4500
008 210409s9999 xx 000 0 und d
022 _a0272-1724
082 _aPERM 4
245 0 _aIEEE POWER ENGINEERING REVIEW MAGAZINE
260 _bIEEE
490 _v22
942 _cBV
999 _c97537
_d97537