Morić Kolarić B, Žiljak Stanimirović I, Bak I. Security offset printing with twin colors by means of CMYF separation. J. Print Media Technol. Res. [Internet]. 2023 Oct. 10 [cited 2025 May 2];4(2):111-8. Available from: http://www.jpmtr.net/index.php/journal/article/view/136