"Pytela" . . "Old\u0159ich" . "Prof. Ing. Old\u0159ich Pytela, DrSc." . "3095584" . "prof. Ing. Old\u0159ich Pytela, DrSc." . "Doc.Ing. Old\u0159ich Pytela, DrSc." . "Doc. Ing. Old\u0159ich Pytela, DrSc." .