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JOSEF V. JIZBA
Institute of Microbiology, Czechoslovak Academy of Sciences
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PETR SEDMERA
Institute of Microbiology, Czechoslovak Academy of Sciences
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ZDENKO VANEK
Institute of Microbiology, Czechoslovak Academy of Sciences
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HANNELORE DRAUTZ
Institute of Biology II, University of Tübingen
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HANS ZÄHNER
Institute of Biology II, University of Tübingen