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null Siefart, null Herzfeld, null Epstein, null Büchner, null Hubert, null Stockinger, and null Czygan

B. Mueller, null Czygan, and R. Franck

null Kalk, null Rosenthal, W. J. Israël, null Gordonoff, null Heidrich, null Neukirch, and null Czygan

null Naumann, null Girndt, null Demme, null Ludwig, null Czygan, and J. Bauer

null Naumann, null Girndt, null Hubert, null Ludwig, null Stockinger, and null Czygan