ŠPAKOV, O.; MINIOTAS, D. Visualization of Eye Gaze Data using Heat Maps. Elektronika ir Elektrotechnika, [S. l.], v. 74, n. 2, p. 55-58, 2007. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10372. Acesso em: 6 may. 2025.