Time domain analysis and design of multirate wave digital filters. - Mamdouh F. Fahmy; A. El-Wardaney; N. El-Gayed; Mohamed I. Sobhy (Int. J. Circuit Theory Appl., 1991)

Design of linear-phase IIR filters from FIR specifications. - Mamdouh F. Fahmy; Y. M. Yassin; G. M. Abdel-Raheem; N. El-Gayed (IEEE Trans. Signal Process., 1994)

Iterative design of two-channel IIR perfect construction QMG filters. - N. El-Gayed; G. M. Abdel-Raheem; Mamdouh F. Fahmy (Int. J. Circuit Theory Appl., 1998)