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SIEGFRIED HUNECK
Academy of Sciences of the GDR, Institute of Plant Biochemistry
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LECH URBANIAK
Adam Mickiewicz University, Faculty of Biology, Department of Genetics
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YOSHINORI ASAKAWA
Tokushima Bunri University, Institute of Pharmacognosy
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RICLEF GROLLE
Friedrich-Schiller-University, Section Biology
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SIEGFRIED JÄNICKE
Academy of Sciences of the GDR, Institute of Plant Biochemistry