International Conference on Power Electronics and Variable-Speed Drives.International Conference on Power Electronics and Variable-Speed Drives(3rd : 1988 : Birmingham).IEE,1988.
International Conference on Power Electronics and Variable-Speed Drives.International Conference on Power Electronics and Variable-Speed Drives(2nd : 1986 : Birmingham).IEE,1986.
International Conference on Power Electronics and Variable-Speed Drives.International Conference on Power Electronics and Variable-Speed Drives(1984 : Savoy Place).IEE,1984.
International Conference on Electrical Variable-Speed Drives.International Conference on Electrical Variable-Speed Drives (2nd : 1979 London).IEE,1979.
Machine Tool Industry Research Assoication.One-day seminar on electric variable-speed drives for machine tools, Maccelsfiels, Oct. 26 1978.s,. n.],n. d..
