KARRACH, Ladislav - PIVARČIOVÁ, Elena. Location and recognition of Data Matrix and QR codes in images. Revs. Pavol Božek, Ivan Kuric, Dagmar Janáčová. Lüdenscheid : RAM-Verlag, 2022. 106 p. KEGA 006STU-4/2021. ISBN 978-3-96595-022-1.