1. Induction machine frequency control: three-phase bridge inverter behaviour and performance;Bellini;IEEE Trans. Ind. Gen. Appl,1971
2. Coppie alternative nei motori asincroni controllati in frequenza;De Carli,1967
3. Torque pulsation in induction motors with inverter drives;Robertson;IEEE Trans. Ind. Gen. Appl,1971
4. On the selection of the supply voltage waveform in induction motor drives;Bellini,1974
5. Thyristor control of a.c. motors;Murphy,1973