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Ulrich C. E. (EDT) Zanke
Dietmar Schitthelm
Fachgruppe in der GDCh Wasserchemische Gesellschaft
Boris Lehmann
Paul Nemenyi
Rolf Pohling
Ernst Hentschel
Vogt Vogt
Hans Melchior
Arbeitsgruppe Characeen Deutschlands
Jürgen (EDT) Wertheimer
Heinz Loffler
Friedrich Hustedt
Uta Kovarik