AGIĆ, Ana et al. Importance of extended separation in NIR technology for secure secondary image identification, a survey. Acta Graphica, [S.l.], v. 29, n. 2, p. 19 - 26, jan. 2019. ISSN 1848-3828. Available at: <https://actagraphica.hr/index.php/actagraphica/article/view/155>. Date accessed: 28 mar. 2024. doi: http://dx.doi.org/10.25027/agj2017.28.v29i2.155.