HERMANIS, E. Examples for Filter Synthesis. Elektronika ir Elektrotechnika, [S. l.], v. 65, n. 1, p. 55–10, 2006. DOI: 10.5755/j02.eie.10540. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10540.. Acesso em: 11 jun. 2026.