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By: Wester, R.E. - Drechsler, Charles - Jorgensen, HansType: ArticleIn: The Plant Disease ReporterVolume: 42Series:Issue: 4Date: 1958Page Range: 413-415 4 FiguresPublication Info:Subjects:
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By: Sampson, Cassandra - Jorgensen, HansType: ArticleIn: Animal keepers' forumVolume: 37Series:Issue: 5Date: 2010-05Page Range: 169--172Publication Info: Topeka, Kan, American Association of Zoo Keepers,Subjects: