000 00300nam a2200121Ia 4500
001 4434
008 150525s9999 xx 000 0 und d
020 _a0 85296209 6
100 _aChalmers B
245 _aElectrical Variable-Speed Drives
250 _a0
260 _aLondon
_bThe Inst Of Elec Eng
_c1979
999 _c33555
_d33555