Duduk, Niyazi, and Abdullah T. Tola. “Log-Domain Universal Biquad Filter Design Using Lossy Integrators”. Elektronika ir Elektrotechnika 22, no. 3 (June 17, 2016): 56 - 59. Accessed March 29, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/15315.