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 2024 Nov. 24];4(2):111-8. Available from: https://jpmtr.org/index.php/journal/article/view/136