Roskó T. ELECTRA SIGNATURE CUSTOMER GATE, PDF / XMP BASED DOCUMENT AUTHENTICATOR SERVICE. Különleges Bánásmód [Internet]. 2017 Jun. 30 [cited 2024 Jul. 1];3(2):65-8. Available from: https://ojs.lib.unideb.hu/kulonlegesbanasmod/article/view/9888