000 00330nam a2200145Ia 4500
001 4434
008 141107s9999 xx 000 0 und d
020 _a0 85296209 6
100 _aChalmers B
245 _aElectrical Variable-Speed Drives
250 _a0
260 _aLondon
260 _bThe Inst Of Elec Eng
260 _c1979
999 _c33554
_d33554