JHA, K. R.; RAI, M. Improvement in Design of Hi-Lo Impedance Microstrip Low-pass Filter. Elektronika ir Elektrotechnika, [S. l.], v. 87, n. 7, p. 11-14, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11200. Acesso em: 22 dec. 2024.