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2. M. Blok, Farrow Structure Implementation of Fractional Delay Filter Optimal in Chebyshev sense vol. 6159, in Proc. SPIE, p. 61594K (2005). doi: 10.1117/12.674975
3. M. Blok, Properties of Windows Extracted from Fractional Delay Filters Optimal in Chebyshev Sense, in Proc. PWT’2010, Poznan, Poland (2010)
4. M. Blok, Calculation of Windows for a Nearly Optimal Delay Filter Design (Wyznaczanie okien do projektowania prawieoptymalnych filtrów opóźniających). Telecommun. Rev. Telecommun. News (Prz. Telekomun. Wiad. Telekomun.), 8–9, 1362–1367 (2011) (in Polish)
5. M. Blok, Gain Correction for Nearly Optimal Variable Fractional Sample Delay Filter Design, in Proc. SPA 2011, Poznan, Poland (2011)