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The diatoms (Bacillarioideae) of Nebraska,Elmore, Clarence Jerome, January 1921 (has links)
Thesis (Ph. D.)--University of Nebraska. / Descriptive letterpress on versos facing the plates. Published also as "Volume 8, the Nebraska Geological survey published by the University studies, volume 21." Bibliography: p. 166-169.
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An identification system for the genus Nitzschia Hassall (Bacillariophyta), with a nomenclatural revision /Kalinsky, Robert G. January 1973 (has links)
No description available.
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