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by Hauser, Bernhard (CON); Krause, Martin (CON); Lorenz, Sigrid (CON); et al.
by Frank Gesemann; Iris Nentwig-Gesemann; Alexander Seidel
by Bohnsack, Ralf; Nentwig-Gesemann, Iris; Nohl, Arnd-Michael
by Ralf Bohnsack; ?Iris Nentwig-Gesemann; ?Arnd-Michael Nohl