1. Agaian, S.: ‘Hadamard matrices and their applications’, Lecture Notes in Mathematics, 1168, (Springer-Verlag Berlin 1980)
2. Agaian, S., Astola, J., and Egiazarian, K.: ‘Binary polynomial transforms and nonlinear digital filters’, (Marcel Dekker New York 1995)
3. De Micheli, G.: ‘Synthesis and optimisation of digital circuits’, (McGraw-Hill New York 1994)
4. Effective computer methods for the calculation of Rademacher-Walsh spectrum for completely and incompletely specified Boolean functions