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by Giesen; Klaus-Gerd
by Giesen, Klaus-gerd; Kersten, Carool; S?kof, Lenart
by Wanner, Klaus; Höfner, Georg; Mannhold, Raimund; et al.
by Jaeger, Carlo C.; Hasselmann, Klaus; Leipold, Gerd; et al.
by Klaus Langeheinecke; André Kaufmann; Kay Langeheinecke; et al.
by Thissen, Gerd; Rollgen, Klaus
by Aland, Barbara; Aland, Kurt; Mink, Gerd; et al.