STARAS, S.; KLEIZA, A. Analysis and Properties of the Gutter Type Retard Systems. Elektronika ir Elektrotechnika, [S. l.], v. 20, n. 2, 1999. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/16520. Acesso em: 29 apr. 2024.