Authors
Tibor Izsák
Institute of Electrical Engineering, Slovak Academy of Sciences, Bratislava, Slovakia
Gabriel Vanko
Institute of Electrical Engineering, Slovak Academy of Sciences, Bratislava, Slovakia
Oleg Babčenko
Institute of Physics, Czech Academy of Sciences v.v.i, Prague 6, Czech Republic
Bohumír Zat’ko
Institute of Electrical Engineering, Slovak Academy of Sciences, Bratislava, Slovakia
Alexander Kromka
Institute of Physics, Czech Academy of Sciences v.v.i, Prague 6, Czech Republic