Fifth Order Butterworth Low Pass Square-Root Domain Filter Design. Elektronika ir Elektrotechnika, [S. l.], v. 115, n. 9, p. 55–58, 2011. DOI: 10.5755/j01.eee.115.9.749. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/749.. Acesso em: 5 dec. 2025.