"Doc. RNDr. Jan Kirschner, CSc." . "Jan" . "RNDr. Jan Kirschner, CSc." . "doc. RNDr. Kirschner Jan, CSc." . "Jan" . "Kirschner" . "Kirschner" . "doc. RNDr. Jan Kirschner, CSc." . "1400983" . .