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Author: Ext W.
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Ext 1920. Beiträge zur Kenntnis des Rapsglanzkäfers, Meligethes aeneus F. Arch. Naturg., 86,9:22-61.
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Ext W. 1923. Eine ernste Gafahr fur den Rubenblattwanze. Dtsch. Zuckerindustrie, :739-740.
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