Havenko, Svitlana, Oleksandr Konyukhov, and Ivanna Konyukhova. 2019. “Electronic and Microscopic Analysis of Offset Imprints of Barcodes on Cardboards”. Journal of Graphic Engineering and Design 10 (1):19-24. https://doi.org/10.24867/JGED-2019-1-019.