88B03B80F3A3C50ED6029127D56B30E8AA188518 prof. RNDr. Ján Ziman, CSc. jan.ziman@tuke.sk false 0.00 98 Unknown ÚFV Institute of Physics http://www.upjs.sk/prirodovedecka-fakulta/ustav/ufv/ PF UPJŠ Faculty of Science Pavol Jozef Šafárik University in Košice, Faculty of Science