A. I. Maswood, P. D. Ziogas, and G. Joos, “Problems and solutions associated with the operation of phase controlled rectifiers under unbalanced input voltage conditions,” IEEE Transactions on Industry Applications, U.S.A, Vol. 27, No. 4, pp. 765–772, July/August 1991.
 A. I. Maswood and M. A. Rahman, “A survey of delta modulation techniques, characteristics & sub harmonic elimination for VSI,” Electric Machines and Power Systems Journal, U.S.A., Vol. 26, No. 6, pp. 435–448, July 1998.
 A. I. Maswood and S. Wei, “A novel current source PWM drive topology with specific harmonic elimination switching patterns,” IEEE Canadian Conference on Electrical & Computer engineering, CCECE, Halifax, Nova Scotia, May 8–10, 2000.
 A. I. Maswood and M. A. Rahman, ”A PWM voltage source inverter with PI controller, performance parameters under non-ideal conditions,” published in the Electric Power Systems Research [EPSR] Journal, U.S.A, Vol. 38, No. 1, pp 19–24, 1996.
 A. I. Maswood and M. H. Rashid, “A novel method of harmonic assessment generated by 3–Phase AC-DC converters under unbalanced supply conditions,” IEEE Transactions on Industry Applications, U.S.A, Vol. 24, No. 4, pp. 590–597, July/August 1988.