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Ulbricht, H., Michels, J., Bahadir, Müfit, editor, Collins, Hans-Jürgen, editor, Hock, Bertold, editor, and Stottmeister, Ulrich

Schimansky-Geier, L., Schweitzer, F., Ebeling, W., Ulbricht, H., Haken, Hermann, editor, Ebeling, Werner, editor, and Ulbricht, Heinz, editor

Ulbricht, H., Schweitzer, F., Mahnke, R., Haken, Hermann, editor, Ebeling, Werner, editor, and Ulbricht, Heinz, editor