Anton Meller ; editor, Karl-Christain Buschbeck, Kurt Niedenzu. Gert Heller; editor, Karl-Christain Buschbeck, Kurt Niedenzu. Gert Heller ...[et al.] ; editor, Kart-Christain Buschbeck ...[et al.]. Gert Heller ...[et al.]. ; editor, Kart-Christain Buschbeck ...[et al.].