dr.h.c., Prof. RNDr. Alexander Feher, DrSc. Institute of Physics Faculty of Science Pavol Jozef Šafárik University in Košice Park Angelinum 9 041 54 Košice, Slovak Republic IP Tel.: (+421 55) 2342219 IP Tel.: (+421 55) 2342220 Mob: + 421905 563 725 E-mail: alexander.feher@upjs.sk
Prof. Ing. Martin Orendáč, CSc. Institute of Physics Faculty of Science Pavol Jozef Šafárik University in Košice Park Angelinum 9 041 54 Košice, Slovak Republic IP Tel.: (+421 55) 234 2548 E-mail: martin.orendac@upjs.sk
