VLSI Array Processors Implementation of Block-State IIR Digital Filtentrs. - A. Tawfik; Fayez El Guibaly; Panajotis Agathoklis (ISCAS, 1994)

New IIR Digital Filter Realizations Using Residue-Feedback. - A. Tawfik; Panajotis Agathoklis; Fayez El Guibaly (ISCAS, 1995)

New low roundoff noise realizations of second-order digital filter sections. - A. Tawfik; Panajotis Agathoklis; Fayez El Guibaly (IEEE Trans. Signal Process., 1995)

Mapping 3-D IIR digital filter onto systolic arrays. - Fayez El Guibaly; A. Tawfik (Multidimens. Syst. Signal Process., 1996)

A note on the orthogonal realization of allpass digital filters and their finite wordlength performance. - A. Kanellakis; Panajotis Agathoklis; A. Tawfik (IEEE Trans. Signal Process., 1996)

New Realization and Implementation of Fixed-Point IIR Digital Filters. - A. Tawfik; Fayez El Guibaly; Panajotis Agathoklis (J. Circuits Syst. Comput., 1997)

Solving the frame problem: a mathematical investigation of the common sense law of inertia, by Murray Shanahan, The MIT Press, 1997, £38.50, ISBN 0-262-19384-1. - A. Tawfik (Knowl. Eng. Rev., 1999)

A modified dithered signed-error constant-modulus algorithm for blind adaptive equalizer. - A. Tawfik; Esam Abdel-Raheem; Pan Agathoklis (ICECS, 2000)

A new CELP speech coder for wireless communication. - Mirette Sadek; Salwa El-Ramly; A. Tawfik (DSP, 2002)