:2021 ,no. 1-4. Acta Electrotechnica et Informatica : an International Peer-Reviewed Scientific Journal Published Quarterly by the Faculty of Electrical Engineering and Informatics of the Technical University of Košice. Košice : Technická univerzita v Košiciach, Fakulta elektrotechniky a informatiky, 2021. 4x ročne. ISSN 1335-8243 [Počet ex. : 1, z toho voľných 0, prezenčne 1]