REFEROWSKI, L.; SWISULSKI, D. Progress in Education of Electrical Measurements. Elektronika ir Elektrotechnika, [S. l.], v. 67, n. 3, p. 25-30, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10627. Acesso em: 7 may. 2024.