Review of "Modal Control: Theory and Applications" by Brian Porter and Roger Crossley. - Phil A. Witting (IEEE Trans. Syst. Man Cybern., 1974)

A technique for the implementation of low frequency digital filters with simple FAD-based hardware. - Phil A. Witting (Microprocess. Microsystems, 1994)

Direct Torque Control of Induction Motors Utilizing Three-Level Voltage Source Inverters. - Xavier del Toro García; Antoni Arias; Marcel G. Jayne; Phil A. Witting (IEEE Trans. Ind. Electron., 2008)