Principle of frequency-domain balanced structure in linear systems and model reduction. - P. Karim Aghaee; Ali Zilouchian; S. Nike-Ravesh; Abbas H. Zadegan (Comput. Electr. Eng., 2003)

Model reduction of discrete systems using mixed frequency-domain balanced realization. - Abbas H. Zadegan; Ali Zilouchian (Circuits, Signals, and Systems, 2004)

Model reduction of large-scale systems in the neighborhood of crossover frequency. - Abbas H. Zadegan; Ali Zilouchian (SMC, 2005)