"Doc. RNDr. Jan \u010Cern\u00FD, PhD." . "3443388" . "RNDr. Jan \u010Cern\u00FD, PhD." . "Doc. RNDr. Jan \u010Cern\u00FD, Ph.D." . "Jan" . "Mgr. Jan \u010Cern\u00FD, PhD." . "Mgr. Jan \u010Cern\u00FD, Dr." . "\u010CERN\u00DD" . . "\u010Cern\u00FD" . "Mgr. Jan \u010CERN\u00DD, Dr." .