Žiljak Stanimirović, I., Agić, D. and Žiljak Vujić, J. 2023. Hidden infrared image in a uniform CMYK separation hue. Journal of Graphic Engineering and Design. 3, 2 (Oct. 2023), 8–11. DOI:https://doi.org/10.24867/JGED-2012-2-008.