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U. Grafe
Central Institute of Microbiology and Experimental Therapy, GDR Academy of Sciences
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W.F. Fleck
Central Institute of Microbiology and Experimental Therapy, GDR Academy of Sciences
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U. Mollmann
Central Institute of Microbiology and Experimental Therapy, GDR Academy of Sciences
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W Schade
Central Institute of Microbiology and Experimental Therapy, GDR Academy of Sciences
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E. Tonew
Central Institute of Microbiology and Experimental Therapy, GDR Academy of Sciences
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J. Wiesner
Central Institute of Microbiology and Experimental Therapy, GDR Academy of Sciences
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L. Radics
NMR Laboratory, Central Research Institute of Chemistry, Hungarian Academy of Sciences
