<http://worldcat.org/entity/work/id/1909481961> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2640801666> .
<http://worldcat.org/entity/work/id/1909481961> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2631666538> .
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<http://worldcat.org/entity/work/id/1909481961> <http://schema.org/name> "Limnologische Beurteilungsgrundlagen der Wassergüte : und aktuelle Fragen der Wasserwirtschaft und des Umweltschutzes, Kolkwitz-Symposium 1981" .
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<http://experiment.worldcat.org/entity/work/data/1909481961.nt> <http://rdfs.org/ns/void#inDataset> <http://purl.oclc.org/dataset/WorldCat/Works> .
<http://experiment.worldcat.org/entity/work/data/1909481961.nt> <http://schema.org/about> <http://worldcat.org/entity/work/id/1909481961> .