2011 ,no. 1 (January - March 2011)-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, 2011. 4x ročne. ISSN 1335-8243 [Copy count : 1, currently available 0, at library only 1]