MONTVILAS, A. Dependence of Sammon and Sequential Mapping Errors on Data. Elektronika ir Elektrotechnika, [S. l.], v. 89, n. 1, p. 25-28, 2009. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10547. Acesso em: 4 oct. 2022.