LUKOČIUS, R.; VIRBALIS, J. A. Peculiarities of Digital Infinite Impulse Response Filters Design. Elektronika ir Elektrotechnika, [S. l.], v. 65, n. 1, p. 52-55, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10563. Acesso em: 5 oct. 2022.