Affiliation: | (1) Institute of Geotechnics of the Slovak Academy of Sciences, 043 53 Koice, Slovakia;(2) Metallurgical Faculty, Technical University, 043 53 Koice, Slovakia;(3) J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, 182 23 Prague, Czech Republic;(4) Institute of Materials Research of the Slovak Academy of Sciences, 043 57 Koice, Slovakia |