"Doc. Ing. J\u00E1n D\u017Eugan, Ph.D." . "2183803" . "doc. Ing. Jan D\u017Eugan, Ph.D." . "doc. Ing. J\u00E1n D\u017Eugan, Ph.D." . "Jan" . "Ing. Jan D\u017Eugan, Ph.D." . . "J\u00E1n" . "Doc. Ing. Jan D\u017Eugan, Ph.D." . "D\u017Eugan" .